X+3x+x+7=57

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Solution for X+3x+x+7=57 equation:


Simplifying
X + 3x + x + 7 = 57

Reorder the terms:
7 + X + 3x + x = 57

Combine like terms: 3x + x = 4x
7 + X + 4x = 57

Solving
7 + X + 4x = 57

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 = 57 + -7

Reorder the terms:
7 + -7 + X + 4x = 57 + -7

Combine like terms: 7 + -7 = 0
0 + X + 4x = 57 + -7
X + 4x = 57 + -7

Combine like terms: 57 + -7 = 50
X + 4x = 50

Add '-4x' to each side of the equation.
X + 4x + -4x = 50 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 50 + -4x
X = 50 + -4x

Simplifying
X = 50 + -4x

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