21+5x-6+3=12x+7-8-6

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Solution for 21+5x-6+3=12x+7-8-6 equation: 


Simplifying
21 + 5x + -6 + 3 = 12x + 7 + -8 + -6

Reorder the terms:
21 + -6 + 3 + 5x = 12x + 7 + -8 + -6

Combine like terms: 21 + -6 = 15
15 + 3 + 5x = 12x + 7 + -8 + -6

Combine like terms: 15 + 3 = 18
18 + 5x = 12x + 7 + -8 + -6

Reorder the terms:
18 + 5x = 7 + -8 + -6 + 12x

Combine like terms: 7 + -8 = -1
18 + 5x = -1 + -6 + 12x

Combine like terms: -1 + -6 = -7
18 + 5x = -7 + 12x

Solving
18 + 5x = -7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
18 + 5x + -12x = -7 + 12x + -12x

Combine like terms: 5x + -12x = -7x
18 + -7x = -7 + 12x + -12x

Combine like terms: 12x + -12x = 0
18 + -7x = -7 + 0
18 + -7x = -7

Add '-18' to each side of the equation.
18 + -18 + -7x = -7 + -18

Combine like terms: 18 + -18 = 0
0 + -7x = -7 + -18
-7x = -7 + -18

Combine like terms: -7 + -18 = -25
-7x = -25

Divide each side by '-7'.
x = 3.571428571

Simplifying
x = 3.571428571

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