(77-x)=(99-2x)

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Solution for (77-x)=(99-2x) equation:


Simplifying
(77 + -1x) = (99 + -2x)

Remove parenthesis around (77 + -1x)
77 + -1x = (99 + -2x)

Remove parenthesis around (99 + -2x)
77 + -1x = 99 + -2x

Solving
77 + -1x = 99 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
77 + -1x + 2x = 99 + -2x + 2x

Combine like terms: -1x + 2x = 1x
77 + 1x = 99 + -2x + 2x

Combine like terms: -2x + 2x = 0
77 + 1x = 99 + 0
77 + 1x = 99

Add '-77' to each side of the equation.
77 + -77 + 1x = 99 + -77

Combine like terms: 77 + -77 = 0
0 + 1x = 99 + -77
1x = 99 + -77

Combine like terms: 99 + -77 = 22
1x = 22

Divide each side by '1'.
x = 22

Simplifying
x = 22

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