(b)+(a-30)=180

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Solution for (b)+(a-30)=180 equation:


Simplifying
(b) + (a + -30) = 180
b + (a + -30) = 180

Reorder the terms:
b + (-30 + a) = 180

Remove parenthesis around (-30 + a)
b + -30 + a = 180

Reorder the terms:
-30 + a + b = 180

Solving
-30 + a + b = 180

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + a + 30 + b = 180 + 30

Reorder the terms:
-30 + 30 + a + b = 180 + 30

Combine like terms: -30 + 30 = 0
0 + a + b = 180 + 30
a + b = 180 + 30

Combine like terms: 180 + 30 = 210
a + b = 210

Add '-1b' to each side of the equation.
a + b + -1b = 210 + -1b

Combine like terms: b + -1b = 0
a + 0 = 210 + -1b
a = 210 + -1b

Simplifying
a = 210 + -1b

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