7a+4-2a=7a+-2a+4

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Solution for 7a+4-2a=7a+-2a+4 equation: 



7a+4-2a=7a+-2a+4

We move all terms to the left:

7a+4-2a-(7a+-2a+4)=0

We add all the numbers together, and all the variables

7a-2a-(+5a)+4=0

We add all the numbers together, and all the variables

5a-(+5a)+4=0

We get rid of parentheses

5a-5a+4=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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