4+3x+12=x-5

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Solution for 4+3x+12=x-5 equation: 


Simplifying
4 + 3x + 12 = x + -5

Reorder the terms:
4 + 12 + 3x = x + -5

Combine like terms: 4 + 12 = 16
16 + 3x = x + -5

Reorder the terms:
16 + 3x = -5 + x

Solving
16 + 3x = -5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
16 + 3x + -1x = -5 + x + -1x

Combine like terms: 3x + -1x = 2x
16 + 2x = -5 + x + -1x

Combine like terms: x + -1x = 0
16 + 2x = -5 + 0
16 + 2x = -5

Add '-16' to each side of the equation.
16 + -16 + 2x = -5 + -16

Combine like terms: 16 + -16 = 0
0 + 2x = -5 + -16
2x = -5 + -16

Combine like terms: -5 + -16 = -21
2x = -21

Divide each side by '2'.
x = -10.5

Simplifying
x = -10.5

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