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

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


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

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

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

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

Combine like terms: 12 + 9 = 21
12 + 6x = 21 + -1x

Solving
12 + 6x = 21 + -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.
12 + 6x + x = 21 + -1x + x

Combine like terms: 6x + x = 7x
12 + 7x = 21 + -1x + x

Combine like terms: -1x + x = 0
12 + 7x = 21 + 0
12 + 7x = 21

Add '-12' to each side of the equation.
12 + -12 + 7x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 21 + -12
7x = 21 + -12

Combine like terms: 21 + -12 = 9
7x = 9

Divide each side by '7'.
x = 1.285714286

Simplifying
x = 1.285714286

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