123=3(4x-7)+6x

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Solution for 123=3(4x-7)+6x equation:


Simplifying
123 = 3(4x + -7) + 6x

Reorder the terms:
123 = 3(-7 + 4x) + 6x
123 = (-7 * 3 + 4x * 3) + 6x
123 = (-21 + 12x) + 6x

Combine like terms: 12x + 6x = 18x
123 = -21 + 18x

Solving
123 = -21 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
123 + -18x = -21 + 18x + -18x

Combine like terms: 18x + -18x = 0
123 + -18x = -21 + 0
123 + -18x = -21

Add '-123' to each side of the equation.
123 + -123 + -18x = -21 + -123

Combine like terms: 123 + -123 = 0
0 + -18x = -21 + -123
-18x = -21 + -123

Combine like terms: -21 + -123 = -144
-18x = -144

Divide each side by '-18'.
x = 8

Simplifying
x = 8

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