a+20=143

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Solution for a+20=143 equation: 


Simplifying
a + 20 = 143

Reorder the terms:
20 + a = 143

Solving
20 + a = 143

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 + -20 + a = 143 + -20

Combine like terms: 20 + -20 = 0
0 + a = 143 + -20
a = 143 + -20

Combine like terms: 143 + -20 = 123
a = 123

Simplifying
a = 123

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