3x+18+12x-9=5x-2

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Solution for 3x+18+12x-9=5x-2 equation:


Simplifying
3x + 18 + 12x + -9 = 5x + -2

Reorder the terms:
18 + -9 + 3x + 12x = 5x + -2

Combine like terms: 18 + -9 = 9
9 + 3x + 12x = 5x + -2

Combine like terms: 3x + 12x = 15x
9 + 15x = 5x + -2

Reorder the terms:
9 + 15x = -2 + 5x

Solving
9 + 15x = -2 + 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.
9 + 15x + -5x = -2 + 5x + -5x

Combine like terms: 15x + -5x = 10x
9 + 10x = -2 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 10x = -2 + 0
9 + 10x = -2

Add '-9' to each side of the equation.
9 + -9 + 10x = -2 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = -2 + -9
10x = -2 + -9

Combine like terms: -2 + -9 = -11
10x = -11

Divide each side by '10'.
x = -1.1

Simplifying
x = -1.1

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