30=10(x-9)

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Solution for 30=10(x-9) equation:


Simplifying
30 = 10(x + -9)

Reorder the terms:
30 = 10(-9 + x)
30 = (-9 * 10 + x * 10)
30 = (-90 + 10x)

Solving
30 = -90 + 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.
30 + -10x = -90 + 10x + -10x

Combine like terms: 10x + -10x = 0
30 + -10x = -90 + 0
30 + -10x = -90

Add '-30' to each side of the equation.
30 + -30 + -10x = -90 + -30

Combine like terms: 30 + -30 = 0
0 + -10x = -90 + -30
-10x = -90 + -30

Combine like terms: -90 + -30 = -120
-10x = -120

Divide each side by '-10'.
x = 12

Simplifying
x = 12

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