9x-6=10x-21

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Solution for 9x-6=10x-21 equation:


Simplifying
9x + -6 = 10x + -21

Reorder the terms:
-6 + 9x = 10x + -21

Reorder the terms:
-6 + 9x = -21 + 10x

Solving
-6 + 9x = -21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-6 + 9x + -10x = -21 + 10x + -10x

Combine like terms: 9x + -10x = -1x
-6 + -1x = -21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-6 + -1x = -21 + 0
-6 + -1x = -21

Add '6' to each side of the equation.
-6 + 6 + -1x = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -1x = -21 + 6
-1x = -21 + 6

Combine like terms: -21 + 6 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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