15x-3(10+x)=30

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Solution for 15x-3(10+x)=30 equation: 



15x-3(10+x)=30

We move all terms to the left:

15x-3(10+x)-(30)=0

We add all the numbers together, and all the variables

15x-3(x+10)-30=0

We multiply parentheses

15x-3x-30-30=0

We add all the numbers together, and all the variables

12x-60=0

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

12x=60

x=60/12

x=5

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