# Solve by substitution

Math can be difficult to understand, but it's important to learn how to Solve by substitution. Our website can solve math problems for you.

## Solving by substitution

In this blog post, we will be discussing how to Solve by substitution. For example, the area of two (triangles) given by us should be correct within the scope of integer lattice measurement. In the previous articles, I talked about the experimental practice rules of the (triangle) (overall area) equality of the geometric segmentation method, and also talked about the different results produced by the different accuracy of the data measurement method. It shows that the (overall area) of the two (triangle) areas is the same, but the new (triangle) overall area generated after the collection appears in the concrete after cutting is different. (overall area) is the same, but the overall area produced by the whole set of individuals after cutting is actually different.

A scientific calculator (ti84 is recommended). Calculators with complex functions such as storage function, special sound, power supply or printability are not allowed to be brought into the examination room. During the exam, you can only use the calculator when doing math. In other times, you can put the calculator on the desk. When reading and grammar, you will be asked to put the calculator on the ground or at the position designated by the invigilator.

In practical application, many problems are quite complex, and the differential equations constructed are also very complex. It is impossible to obtain the expression of y = f (x). Fortunately, many problems do not need to solve the expression, only need to calculate the value of Y. Since Newton, many mathematicians have studied the numerical solution of differential equations. Interpret neural networks as discrete schemes for solving differential equations? The field of numerical solution will pay attention to the numerical convergence of discrete schemes, but what is the connection between this and differential equations? How to map the input-output mapping of network connection to the infinite dimensional mapping of differential equations? Using the knowledge of dynamic systems to analyze the characteristics of neural networks? Many differential equations can be solved by direct integration, but some differential equations cannot.

It is also a good way to teach and learn mathematics. Learning to solve in this way can exercise one's mathematical ability and is also a good way to solve some difficult problems. This also means that God does not know whether the answers to many mathematical problems exist. Because the problem of solving indefinite equations is only a small part of mathematical problems, there are far more problems that can not be judged whether there are solutions in reality than those with answers. It is impossible to solve problems that can not even be judged whether the answer exists or not by calculation.

## Instant help with all types of math

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