7a+5(3-2a)=18

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Solution for 7a+5(3-2a)=18 equation: 



7a+5(3-2a)=18

We move all terms to the left:

7a+5(3-2a)-(18)=0

We add all the numbers together, and all the variables

7a+5(-2a+3)-18=0

We multiply parentheses

7a-10a+15-18=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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