150-9x=78-x

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Solution for 150-9x=78-x equation:


Simplifying
150 + -9x = 78 + -1x

Solving
150 + -9x = 78 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
150 + -9x + x = 78 + -1x + x

Combine like terms: -9x + x = -8x
150 + -8x = 78 + -1x + x

Combine like terms: -1x + x = 0
150 + -8x = 78 + 0
150 + -8x = 78

Add '-150' to each side of the equation.
150 + -150 + -8x = 78 + -150

Combine like terms: 150 + -150 = 0
0 + -8x = 78 + -150
-8x = 78 + -150

Combine like terms: 78 + -150 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

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