8x+9x-78=130-9x

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Solution for 8x+9x-78=130-9x equation:


Simplifying
8x + 9x + -78 = 130 + -9x

Reorder the terms:
-78 + 8x + 9x = 130 + -9x

Combine like terms: 8x + 9x = 17x
-78 + 17x = 130 + -9x

Solving
-78 + 17x = 130 + -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 + 17x + 9x = 130 + -9x + 9x

Combine like terms: 17x + 9x = 26x
-78 + 26x = 130 + -9x + 9x

Combine like terms: -9x + 9x = 0
-78 + 26x = 130 + 0
-78 + 26x = 130

Add '78' to each side of the equation.
-78 + 78 + 26x = 130 + 78

Combine like terms: -78 + 78 = 0
0 + 26x = 130 + 78
26x = 130 + 78

Combine like terms: 130 + 78 = 208
26x = 208

Divide each side by '26'.
x = 8

Simplifying
x = 8

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