(X-1)+(x+3)=4

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Solution for (X-1)+(x+3)=4 equation:


Simplifying
(X + -1) + (x + 3) = 4

Reorder the terms:
(-1 + X) + (x + 3) = 4

Remove parenthesis around (-1 + X)
-1 + X + (x + 3) = 4

Reorder the terms:
-1 + X + (3 + x) = 4

Remove parenthesis around (3 + x)
-1 + X + 3 + x = 4

Reorder the terms:
-1 + 3 + X + x = 4

Combine like terms: -1 + 3 = 2
2 + X + x = 4

Solving
2 + X + x = 4

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + X + -2 + x = 4 + -2

Reorder the terms:
2 + -2 + X + x = 4 + -2

Combine like terms: 2 + -2 = 0
0 + X + x = 4 + -2
X + x = 4 + -2

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

Add '-1x' to each side of the equation.
X + x + -1x = 2 + -1x

Combine like terms: x + -1x = 0
X + 0 = 2 + -1x
X = 2 + -1x

Simplifying
X = 2 + -1x

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