a+3b-18=

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Solution for a+3b-18= equation:


Simplifying
a + 3b + -18 = 0

Reorder the terms:
-18 + a + 3b = 0

Solving
-18 + a + 3b = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + a + 18 + 3b = 0 + 18

Reorder the terms:
-18 + 18 + a + 3b = 0 + 18

Combine like terms: -18 + 18 = 0
0 + a + 3b = 0 + 18
a + 3b = 0 + 18

Combine like terms: 0 + 18 = 18
a + 3b = 18

Add '-3b' to each side of the equation.
a + 3b + -3b = 18 + -3b

Combine like terms: 3b + -3b = 0
a + 0 = 18 + -3b
a = 18 + -3b

Simplifying
a = 18 + -3b

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