5x-5(3x+21)=-45

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Solution for 5x-5(3x+21)=-45 equation: 



5x-5(3x+21)=-45

We move all terms to the left:

5x-5(3x+21)-(-45)=0

We add all the numbers together, and all the variables

5x-5(3x+21)+45=0

We multiply parentheses

5x-15x-105+45=0

We add all the numbers together, and all the variables

-10x-60=0

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

-10x=60

x=60/-10

x=-6

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