4x+12=9+6x-30

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Solution for 4x+12=9+6x-30 equation:


Simplifying
4x + 12 = 9 + 6x + -30

Reorder the terms:
12 + 4x = 9 + 6x + -30

Reorder the terms:
12 + 4x = 9 + -30 + 6x

Combine like terms: 9 + -30 = -21
12 + 4x = -21 + 6x

Solving
12 + 4x = -21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
12 + 4x + -6x = -21 + 6x + -6x

Combine like terms: 4x + -6x = -2x
12 + -2x = -21 + 6x + -6x

Combine like terms: 6x + -6x = 0
12 + -2x = -21 + 0
12 + -2x = -21

Add '-12' to each side of the equation.
12 + -12 + -2x = -21 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = -21 + -12
-2x = -21 + -12

Combine like terms: -21 + -12 = -33
-2x = -33

Divide each side by '-2'.
x = 16.5

Simplifying
x = 16.5

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