78-2x=8-9x

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Solution for 78-2x=8-9x equation:


Simplifying
78 + -2x = 8 + -9x

Solving
78 + -2x = 8 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
78 + -2x + 9x = 8 + -9x + 9x

Combine like terms: -2x + 9x = 7x
78 + 7x = 8 + -9x + 9x

Combine like terms: -9x + 9x = 0
78 + 7x = 8 + 0
78 + 7x = 8

Add '-78' to each side of the equation.
78 + -78 + 7x = 8 + -78

Combine like terms: 78 + -78 = 0
0 + 7x = 8 + -78
7x = 8 + -78

Combine like terms: 8 + -78 = -70
7x = -70

Divide each side by '7'.
x = -10

Simplifying
x = -10

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