(4+x)+y=18

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Solution for (4+x)+y=18 equation:


Simplifying
(4 + x) + y = 18

Remove parenthesis around (4 + x)
4 + x + y = 18

Solving
4 + x + y = 18

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + x + -4 + y = 18 + -4

Reorder the terms:
4 + -4 + x + y = 18 + -4

Combine like terms: 4 + -4 = 0
0 + x + y = 18 + -4
x + y = 18 + -4

Combine like terms: 18 + -4 = 14
x + y = 14

Add '-1y' to each side of the equation.
x + y + -1y = 14 + -1y

Combine like terms: y + -1y = 0
x + 0 = 14 + -1y
x = 14 + -1y

Simplifying
x = 14 + -1y

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