a+b-30=0

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Solution for a+b-30=0 equation:


Simplifying
a + b + -30 = 0

Reorder the terms:
-30 + a + b = 0

Solving
-30 + a + b = 0

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 = 0 + 30

Reorder the terms:
-30 + 30 + a + b = 0 + 30

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

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

Add '-1b' to each side of the equation.
a + b + -1b = 30 + -1b

Combine like terms: b + -1b = 0
a + 0 = 30 + -1b
a = 30 + -1b

Simplifying
a = 30 + -1b

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