a+b+20=29

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Solution for a+b+20=29 equation:


Simplifying
a + b + 20 = 29

Reorder the terms:
20 + a + b = 29

Solving
20 + a + b = 29

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + a + -20 + b = 29 + -20

Reorder the terms:
20 + -20 + a + b = 29 + -20

Combine like terms: 20 + -20 = 0
0 + a + b = 29 + -20
a + b = 29 + -20

Combine like terms: 29 + -20 = 9
a + b = 9

Add '-1b' to each side of the equation.
a + b + -1b = 9 + -1b

Combine like terms: b + -1b = 0
a + 0 = 9 + -1b
a = 9 + -1b

Simplifying
a = 9 + -1b

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