8x-77=58-x

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Solution for 8x-77=58-x equation:


Simplifying
8x + -77 = 58 + -1x

Reorder the terms:
-77 + 8x = 58 + -1x

Solving
-77 + 8x = 58 + -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.
-77 + 8x + x = 58 + -1x + x

Combine like terms: 8x + x = 9x
-77 + 9x = 58 + -1x + x

Combine like terms: -1x + x = 0
-77 + 9x = 58 + 0
-77 + 9x = 58

Add '77' to each side of the equation.
-77 + 77 + 9x = 58 + 77

Combine like terms: -77 + 77 = 0
0 + 9x = 58 + 77
9x = 58 + 77

Combine like terms: 58 + 77 = 135
9x = 135

Divide each side by '9'.
x = 15

Simplifying
x = 15

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