12x-9-x-7=50-5x

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Solution for 12x-9-x-7=50-5x equation:


Simplifying
12x + -9 + -1x + -7 = 50 + -5x

Reorder the terms:
-9 + -7 + 12x + -1x = 50 + -5x

Combine like terms: -9 + -7 = -16
-16 + 12x + -1x = 50 + -5x

Combine like terms: 12x + -1x = 11x
-16 + 11x = 50 + -5x

Solving
-16 + 11x = 50 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-16 + 11x + 5x = 50 + -5x + 5x

Combine like terms: 11x + 5x = 16x
-16 + 16x = 50 + -5x + 5x

Combine like terms: -5x + 5x = 0
-16 + 16x = 50 + 0
-16 + 16x = 50

Add '16' to each side of the equation.
-16 + 16 + 16x = 50 + 16

Combine like terms: -16 + 16 = 0
0 + 16x = 50 + 16
16x = 50 + 16

Combine like terms: 50 + 16 = 66
16x = 66

Divide each side by '16'.
x = 4.125

Simplifying
x = 4.125

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