5x+3(-2x-4)=2x-78

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Solution for 5x+3(-2x-4)=2x-78 equation:


Simplifying
5x + 3(-2x + -4) = 2x + -78

Reorder the terms:
5x + 3(-4 + -2x) = 2x + -78
5x + (-4 * 3 + -2x * 3) = 2x + -78
5x + (-12 + -6x) = 2x + -78

Reorder the terms:
-12 + 5x + -6x = 2x + -78

Combine like terms: 5x + -6x = -1x
-12 + -1x = 2x + -78

Reorder the terms:
-12 + -1x = -78 + 2x

Solving
-12 + -1x = -78 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-12 + -1x + -2x = -78 + 2x + -2x

Combine like terms: -1x + -2x = -3x
-12 + -3x = -78 + 2x + -2x

Combine like terms: 2x + -2x = 0
-12 + -3x = -78 + 0
-12 + -3x = -78

Add '12' to each side of the equation.
-12 + 12 + -3x = -78 + 12

Combine like terms: -12 + 12 = 0
0 + -3x = -78 + 12
-3x = -78 + 12

Combine like terms: -78 + 12 = -66
-3x = -66

Divide each side by '-3'.
x = 22

Simplifying
x = 22

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