77=x-4

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Solution for 77=x-4 equation:


Simplifying
77 = x + -4

Reorder the terms:
77 = -4 + x

Solving
77 = -4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
77 + -1x = -4 + x + -1x

Combine like terms: x + -1x = 0
77 + -1x = -4 + 0
77 + -1x = -4

Add '-77' to each side of the equation.
77 + -77 + -1x = -4 + -77

Combine like terms: 77 + -77 = 0
0 + -1x = -4 + -77
-1x = -4 + -77

Combine like terms: -4 + -77 = -81
-1x = -81

Divide each side by '-1'.
x = 81

Simplifying
x = 81

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