Math Tips: How to Solve the Problem of 6+()-7=3

This math problem stumped many children, but in fact it can be easily solved by mastering some small skills. Let's reveal the answer together!

Name an unknown name.

First of all, let's give this unknown a name, just call it "X"! So the equation becomes 6+x-7=3.

Simplified equation

We just add 7 to both sides of the equation and subtract 6 to get the value of x! The result of this calculation is: x=4.

Solve the problem successfully

According to our method, step by step, we can easily solve this math problem! Son, don't be afraid when you encounter such a problem next time!