6x-36=9x-21

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Solution for 6x-36=9x-21 equation:


Simplifying
6x + -36 = 9x + -21

Reorder the terms:
-36 + 6x = 9x + -21

Reorder the terms:
-36 + 6x = -21 + 9x

Solving
-36 + 6x = -21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-36 + 6x + -9x = -21 + 9x + -9x

Combine like terms: 6x + -9x = -3x
-36 + -3x = -21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-36 + -3x = -21 + 0
-36 + -3x = -21

Add '36' to each side of the equation.
-36 + 36 + -3x = -21 + 36

Combine like terms: -36 + 36 = 0
0 + -3x = -21 + 36
-3x = -21 + 36

Combine like terms: -21 + 36 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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