12x-3x+4=7+2x+9

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Solution for 12x-3x+4=7+2x+9 equation:


Simplifying
12x + -3x + 4 = 7 + 2x + 9

Reorder the terms:
4 + 12x + -3x = 7 + 2x + 9

Combine like terms: 12x + -3x = 9x
4 + 9x = 7 + 2x + 9

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

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

Solving
4 + 9x = 16 + 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.
4 + 9x + -2x = 16 + 2x + -2x

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

Combine like terms: 2x + -2x = 0
4 + 7x = 16 + 0
4 + 7x = 16

Add '-4' to each side of the equation.
4 + -4 + 7x = 16 + -4

Combine like terms: 4 + -4 = 0
0 + 7x = 16 + -4
7x = 16 + -4

Combine like terms: 16 + -4 = 12
7x = 12

Divide each side by '7'.
x = 1.714285714

Simplifying
x = 1.714285714

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