-3(10-7x)=117

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Solution for -3(10-7x)=117 equation: 


Simplifying
-3(10 + -7x) = 117
(10 * -3 + -7x * -3) = 117
(-30 + 21x) = 117

Solving
-30 + 21x = 117

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '30' to each side of the equation.
-30 + 30 + 21x = 117 + 30

Combine like terms: -30 + 30 = 0
0 + 21x = 117 + 30
21x = 117 + 30

Combine like terms: 117 + 30 = 147
21x = 147

Divide each side by '21'.
x = 7

Simplifying
x = 7

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