77=9x+-4

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Solution for 77=9x+-4 equation:


Simplifying
77 = 9x + -4

Reorder the terms:
77 = -4 + 9x

Solving
77 = -4 + 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.
77 + -9x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
77 + -9x = -4 + 0
77 + -9x = -4

Add '-77' to each side of the equation.
77 + -77 + -9x = -4 + -77

Combine like terms: 77 + -77 = 0
0 + -9x = -4 + -77
-9x = -4 + -77

Combine like terms: -4 + -77 = -81
-9x = -81

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

Simplifying
x = 9

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