3x+5=12-2x-8

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Solution for 3x+5=12-2x-8 equation:


Simplifying
3x + 5 = 12 + -2x + -8

Reorder the terms:
5 + 3x = 12 + -2x + -8

Reorder the terms:
5 + 3x = 12 + -8 + -2x

Combine like terms: 12 + -8 = 4
5 + 3x = 4 + -2x

Solving
5 + 3x = 4 + -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.
5 + 3x + 2x = 4 + -2x + 2x

Combine like terms: 3x + 2x = 5x
5 + 5x = 4 + -2x + 2x

Combine like terms: -2x + 2x = 0
5 + 5x = 4 + 0
5 + 5x = 4

Add '-5' to each side of the equation.
5 + -5 + 5x = 4 + -5

Combine like terms: 5 + -5 = 0
0 + 5x = 4 + -5
5x = 4 + -5

Combine like terms: 4 + -5 = -1
5x = -1

Divide each side by '5'.
x = -0.2

Simplifying
x = -0.2

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