-8x+9x-21=-12-16x

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Solution for -8x+9x-21=-12-16x equation:


Simplifying
-8x + 9x + -21 = -12 + -16x

Reorder the terms:
-21 + -8x + 9x = -12 + -16x

Combine like terms: -8x + 9x = 1x
-21 + 1x = -12 + -16x

Solving
-21 + 1x = -12 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
-21 + 1x + 16x = -12 + -16x + 16x

Combine like terms: 1x + 16x = 17x
-21 + 17x = -12 + -16x + 16x

Combine like terms: -16x + 16x = 0
-21 + 17x = -12 + 0
-21 + 17x = -12

Add '21' to each side of the equation.
-21 + 21 + 17x = -12 + 21

Combine like terms: -21 + 21 = 0
0 + 17x = -12 + 21
17x = -12 + 21

Combine like terms: -12 + 21 = 9
17x = 9

Divide each side by '17'.
x = 0.5294117647

Simplifying
x = 0.5294117647

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