4(1+12a)-5(9a-10)=87

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Solution for 4(1+12a)-5(9a-10)=87 equation: 



4(1+12a)-5(9a-10)=87

We move all terms to the left:

4(1+12a)-5(9a-10)-(87)=0

We add all the numbers together, and all the variables

4(12a+1)-5(9a-10)-87=0

We multiply parentheses

48a-45a+4+50-87=0

We add all the numbers together, and all the variables

3a-33=0

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

3a=33

a=33/3

a=11

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