3x-9+12=5x-1+8

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Solution for 3x-9+12=5x-1+8 equation:


Simplifying
3x + -9 + 12 = 5x + -1 + 8

Reorder the terms:
-9 + 12 + 3x = 5x + -1 + 8

Combine like terms: -9 + 12 = 3
3 + 3x = 5x + -1 + 8

Reorder the terms:
3 + 3x = -1 + 8 + 5x

Combine like terms: -1 + 8 = 7
3 + 3x = 7 + 5x

Solving
3 + 3x = 7 + 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.
3 + 3x + -5x = 7 + 5x + -5x

Combine like terms: 3x + -5x = -2x
3 + -2x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0
3 + -2x = 7 + 0
3 + -2x = 7

Add '-3' to each side of the equation.
3 + -3 + -2x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 7 + -3
-2x = 7 + -3

Combine like terms: 7 + -3 = 4
-2x = 4

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

Simplifying
x = -2

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