4x+2x+9=-x+12

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


Simplifying
4x + 2x + 9 = -1x + 12

Reorder the terms:
9 + 4x + 2x = -1x + 12

Combine like terms: 4x + 2x = 6x
9 + 6x = -1x + 12

Reorder the terms:
9 + 6x = 12 + -1x

Solving
9 + 6x = 12 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
9 + 6x + x = 12 + -1x + x

Combine like terms: 6x + x = 7x
9 + 7x = 12 + -1x + x

Combine like terms: -1x + x = 0
9 + 7x = 12 + 0
9 + 7x = 12

Add '-9' to each side of the equation.
9 + -9 + 7x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 12 + -9
7x = 12 + -9

Combine like terms: 12 + -9 = 3
7x = 3

Divide each side by '7'.
x = 0.4285714286

Simplifying
x = 0.4285714286

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