x+(-8)-4x=-12-5

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Solution for x+(-8)-4x=-12-5 equation:


Simplifying
x + (-8) + -4x = -12 + -5
x + -8 + -4x = -12 + -5

Reorder the terms:
-8 + x + -4x = -12 + -5

Combine like terms: x + -4x = -3x
-8 + -3x = -12 + -5

Combine like terms: -12 + -5 = -17
-8 + -3x = -17

Solving
-8 + -3x = -17

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + -3x = -17 + 8

Combine like terms: -8 + 8 = 0
0 + -3x = -17 + 8
-3x = -17 + 8

Combine like terms: -17 + 8 = -9
-3x = -9

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

Simplifying
x = 3

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