4x+9+2x+7=2x+12

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Solution for 4x+9+2x+7=2x+12 equation:


Simplifying
4x + 9 + 2x + 7 = 2x + 12

Reorder the terms:
9 + 7 + 4x + 2x = 2x + 12

Combine like terms: 9 + 7 = 16
16 + 4x + 2x = 2x + 12

Combine like terms: 4x + 2x = 6x
16 + 6x = 2x + 12

Reorder the terms:
16 + 6x = 12 + 2x

Solving
16 + 6x = 12 + 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.
16 + 6x + -2x = 12 + 2x + -2x

Combine like terms: 6x + -2x = 4x
16 + 4x = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
16 + 4x = 12 + 0
16 + 4x = 12

Add '-16' to each side of the equation.
16 + -16 + 4x = 12 + -16

Combine like terms: 16 + -16 = 0
0 + 4x = 12 + -16
4x = 12 + -16

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

Divide each side by '4'.
x = -1

Simplifying
x = -1

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