30-12=3(x-3)

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Solution for 30-12=3(x-3) equation:


Simplifying
30 + -12 = 3(x + -3)

Combine like terms: 30 + -12 = 18
18 = 3(x + -3)

Reorder the terms:
18 = 3(-3 + x)
18 = (-3 * 3 + x * 3)
18 = (-9 + 3x)

Solving
18 = -9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + -3x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + -3x = -9 + 0
18 + -3x = -9

Add '-18' to each side of the equation.
18 + -18 + -3x = -9 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = -9 + -18
-3x = -9 + -18

Combine like terms: -9 + -18 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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