X+2x+(2x-7)=77

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Solution for X+2x+(2x-7)=77 equation:


Simplifying
X + 2x + (2x + -7) = 77

Reorder the terms:
X + 2x + (-7 + 2x) = 77

Remove parenthesis around (-7 + 2x)
X + 2x + -7 + 2x = 77

Reorder the terms:
-7 + X + 2x + 2x = 77

Combine like terms: 2x + 2x = 4x
-7 + X + 4x = 77

Solving
-7 + X + 4x = 77

Solving for variable 'X'.

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

Add '7' to each side of the equation.
-7 + X + 7 + 4x = 77 + 7

Reorder the terms:
-7 + 7 + X + 4x = 77 + 7

Combine like terms: -7 + 7 = 0
0 + X + 4x = 77 + 7
X + 4x = 77 + 7

Combine like terms: 77 + 7 = 84
X + 4x = 84

Add '-4x' to each side of the equation.
X + 4x + -4x = 84 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 84 + -4x
X = 84 + -4x

Simplifying
X = 84 + -4x

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