X+(1+3x)+(2+-7x)=28

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Solution for X+(1+3x)+(2+-7x)=28 equation:


Simplifying
X + (1 + 3x) + (2 + -7x) = 28

Remove parenthesis around (1 + 3x)
X + 1 + 3x + (2 + -7x) = 28

Remove parenthesis around (2 + -7x)
X + 1 + 3x + 2 + -7x = 28

Reorder the terms:
1 + 2 + X + 3x + -7x = 28

Combine like terms: 1 + 2 = 3
3 + X + 3x + -7x = 28

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

Solving
3 + X + -4x = 28

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + X + -3 + -4x = 28 + -3

Reorder the terms:
3 + -3 + X + -4x = 28 + -3

Combine like terms: 3 + -3 = 0
0 + X + -4x = 28 + -3
X + -4x = 28 + -3

Combine like terms: 28 + -3 = 25
X + -4x = 25

Add '4x' to each side of the equation.
X + -4x + 4x = 25 + 4x

Combine like terms: -4x + 4x = 0
X + 0 = 25 + 4x
X = 25 + 4x

Simplifying
X = 25 + 4x

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