(a+-4)+b=18

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Solution for (a+-4)+b=18 equation:


Simplifying
(a + -4) + b = 18

Reorder the terms:
(-4 + a) + b = 18

Remove parenthesis around (-4 + a)
-4 + a + b = 18

Solving
-4 + a + b = 18

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + a + 4 + b = 18 + 4

Reorder the terms:
-4 + 4 + a + b = 18 + 4

Combine like terms: -4 + 4 = 0
0 + a + b = 18 + 4
a + b = 18 + 4

Combine like terms: 18 + 4 = 22
a + b = 22

Add '-1b' to each side of the equation.
a + b + -1b = 22 + -1b

Combine like terms: b + -1b = 0
a + 0 = 22 + -1b
a = 22 + -1b

Simplifying
a = 22 + -1b

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