5(1-5a)=180

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Solution for 5(1-5a)=180 equation: 



5(1-5a)=180

We move all terms to the left:

5(1-5a)-(180)=0

We add all the numbers together, and all the variables

5(-5a+1)-180=0

We multiply parentheses

-25a+5-180=0

We add all the numbers together, and all the variables

-25a-175=0

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

-25a=175

a=175/-25

a=-7

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