9(x-8)-12=30x-189

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Solution for 9(x-8)-12=30x-189 equation: 


Simplifying
9(x + -8) + -12 = 30x + -189

Reorder the terms:
9(-8 + x) + -12 = 30x + -189
(-8 * 9 + x * 9) + -12 = 30x + -189
(-72 + 9x) + -12 = 30x + -189

Reorder the terms:
-72 + -12 + 9x = 30x + -189

Combine like terms: -72 + -12 = -84
-84 + 9x = 30x + -189

Reorder the terms:
-84 + 9x = -189 + 30x

Solving
-84 + 9x = -189 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
-84 + 9x + -30x = -189 + 30x + -30x

Combine like terms: 9x + -30x = -21x
-84 + -21x = -189 + 30x + -30x

Combine like terms: 30x + -30x = 0
-84 + -21x = -189 + 0
-84 + -21x = -189

Add '84' to each side of the equation.
-84 + 84 + -21x = -189 + 84

Combine like terms: -84 + 84 = 0
0 + -21x = -189 + 84
-21x = -189 + 84

Combine like terms: -189 + 84 = -105
-21x = -105

Divide each side by '-21'.
x = 5

Simplifying
x = 5

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