7(2a+3)=100+40

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Solution for 7(2a+3)=100+40 equation: 



7(2a+3)=100+40

We move all terms to the left:

7(2a+3)-(100+40)=0

We add all the numbers together, and all the variables

7(2a+3)-140=0

We multiply parentheses

14a+21-140=0

We add all the numbers together, and all the variables

14a-119=0

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

14a=119

a=119/14

a=8+1/2

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