X+x+3x-7+3x-7+3x-7+3x-7=28

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Solution for X+x+3x-7+3x-7+3x-7+3x-7=28 equation:


Simplifying
X + x + 3x + -7 + 3x + -7 + 3x + -7 + 3x + -7 = 28

Reorder the terms:
-7 + -7 + -7 + -7 + X + x + 3x + 3x + 3x + 3x = 28

Combine like terms: -7 + -7 = -14
-14 + -7 + -7 + X + x + 3x + 3x + 3x + 3x = 28

Combine like terms: -14 + -7 = -21
-21 + -7 + X + x + 3x + 3x + 3x + 3x = 28

Combine like terms: -21 + -7 = -28
-28 + X + x + 3x + 3x + 3x + 3x = 28

Combine like terms: x + 3x = 4x
-28 + X + 4x + 3x + 3x + 3x = 28

Combine like terms: 4x + 3x = 7x
-28 + X + 7x + 3x + 3x = 28

Combine like terms: 7x + 3x = 10x
-28 + X + 10x + 3x = 28

Combine like terms: 10x + 3x = 13x
-28 + X + 13x = 28

Solving
-28 + X + 13x = 28

Solving for variable 'X'.

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

Add '28' to each side of the equation.
-28 + X + 28 + 13x = 28 + 28

Reorder the terms:
-28 + 28 + X + 13x = 28 + 28

Combine like terms: -28 + 28 = 0
0 + X + 13x = 28 + 28
X + 13x = 28 + 28

Combine like terms: 28 + 28 = 56
X + 13x = 56

Add '-13x' to each side of the equation.
X + 13x + -13x = 56 + -13x

Combine like terms: 13x + -13x = 0
X + 0 = 56 + -13x
X = 56 + -13x

Simplifying
X = 56 + -13x

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