9x-3-8x=7-21

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Solution for 9x-3-8x=7-21 equation:


Simplifying
9x + -3 + -8x = 7 + -21

Reorder the terms:
-3 + 9x + -8x = 7 + -21

Combine like terms: 9x + -8x = 1x
-3 + 1x = 7 + -21

Combine like terms: 7 + -21 = -14
-3 + 1x = -14

Solving
-3 + 1x = -14

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 1x = -14 + 3

Combine like terms: -3 + 3 = 0
0 + 1x = -14 + 3
1x = -14 + 3

Combine like terms: -14 + 3 = -11
1x = -11

Divide each side by '1'.
x = -11

Simplifying
x = -11

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