X+(x-13)=77

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Solution for X+(x-13)=77 equation:


Simplifying
X + (x + -13) = 77

Reorder the terms:
X + (-13 + x) = 77

Remove parenthesis around (-13 + x)
X + -13 + x = 77

Reorder the terms:
-13 + X + x = 77

Solving
-13 + X + x = 77

Solving for variable 'X'.

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

Add '13' to each side of the equation.
-13 + X + 13 + x = 77 + 13

Reorder the terms:
-13 + 13 + X + x = 77 + 13

Combine like terms: -13 + 13 = 0
0 + X + x = 77 + 13
X + x = 77 + 13

Combine like terms: 77 + 13 = 90
X + x = 90

Add '-1x' to each side of the equation.
X + x + -1x = 90 + -1x

Combine like terms: x + -1x = 0
X + 0 = 90 + -1x
X = 90 + -1x

Simplifying
X = 90 + -1x

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