2x+9+3x-1=x+12

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Solution for 2x+9+3x-1=x+12 equation:


Simplifying
2x + 9 + 3x + -1 = x + 12

Reorder the terms:
9 + -1 + 2x + 3x = x + 12

Combine like terms: 9 + -1 = 8
8 + 2x + 3x = x + 12

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

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

Solving
8 + 5x = 12 + 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.
8 + 5x + -1x = 12 + x + -1x

Combine like terms: 5x + -1x = 4x
8 + 4x = 12 + x + -1x

Combine like terms: x + -1x = 0
8 + 4x = 12 + 0
8 + 4x = 12

Add '-8' to each side of the equation.
8 + -8 + 4x = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 4x = 12 + -8
4x = 12 + -8

Combine like terms: 12 + -8 = 4
4x = 4

Divide each side by '4'.
x = 1

Simplifying
x = 1

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