5a+7=2a+4

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Solution for 5a+7=2a+4 equation: 



5a+7=2a+4

We move all terms to the left:

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

We get rid of parentheses

5a-2a-4+7=0

We add all the numbers together, and all the variables

3a+3=0

We move all terms containing a to the left, all other terms to the right

3a=-3

a=-3/3

a=-1

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