3(5+5x)=-90

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Solution for 3(5+5x)=-90 equation: 


Simplifying
3(5 + 5x) = -90
(5 * 3 + 5x * 3) = -90
(15 + 15x) = -90

Solving
15 + 15x = -90

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 15x = -90 + -15

Combine like terms: 15 + -15 = 0
0 + 15x = -90 + -15
15x = -90 + -15

Combine like terms: -90 + -15 = -105
15x = -105

Divide each side by '15'.
x = -7

Simplifying
x = -7

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