3x+12=-5x-8

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Solution for 3x+12=-5x-8 equation:


Simplifying
3x + 12 = -5x + -8

Reorder the terms:
12 + 3x = -5x + -8

Reorder the terms:
12 + 3x = -8 + -5x

Solving
12 + 3x = -8 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
12 + 3x + 5x = -8 + -5x + 5x

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

Combine like terms: -5x + 5x = 0
12 + 8x = -8 + 0
12 + 8x = -8

Add '-12' to each side of the equation.
12 + -12 + 8x = -8 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = -8 + -12
8x = -8 + -12

Combine like terms: -8 + -12 = -20
8x = -20

Divide each side by '8'.
x = -2.5

Simplifying
x = -2.5

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