9x-6=21x-30

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Solution for 9x-6=21x-30 equation:


Simplifying
9x + -6 = 21x + -30

Reorder the terms:
-6 + 9x = 21x + -30

Reorder the terms:
-6 + 9x = -30 + 21x

Solving
-6 + 9x = -30 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-6 + 9x + -21x = -30 + 21x + -21x

Combine like terms: 9x + -21x = -12x
-6 + -12x = -30 + 21x + -21x

Combine like terms: 21x + -21x = 0
-6 + -12x = -30 + 0
-6 + -12x = -30

Add '6' to each side of the equation.
-6 + 6 + -12x = -30 + 6

Combine like terms: -6 + 6 = 0
0 + -12x = -30 + 6
-12x = -30 + 6

Combine like terms: -30 + 6 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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