5(a+9)=150

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Solution for 5(a+9)=150 equation: 



5(a+9)=150

We move all terms to the left:

5(a+9)-(150)=0

We multiply parentheses

5a+45-150=0

We add all the numbers together, and all the variables

5a-105=0

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

5a=105

a=105/5

a=21

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