-3x-3(-5x-10)=-78

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Solution for -3x-3(-5x-10)=-78 equation:


Simplifying
-3x + -3(-5x + -10) = -78

Reorder the terms:
-3x + -3(-10 + -5x) = -78
-3x + (-10 * -3 + -5x * -3) = -78
-3x + (30 + 15x) = -78

Reorder the terms:
30 + -3x + 15x = -78

Combine like terms: -3x + 15x = 12x
30 + 12x = -78

Solving
30 + 12x = -78

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 + 12x = -78 + -30

Combine like terms: 30 + -30 = 0
0 + 12x = -78 + -30
12x = -78 + -30

Combine like terms: -78 + -30 = -108
12x = -108

Divide each side by '12'.
x = -9

Simplifying
x = -9

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