1a-2=120

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Solution for 1a-2=120 equation: 


Simplifying
1a + -2 = 120

Reorder the terms:
-2 + 1a = 120

Solving
-2 + 1a = 120

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 1a = 120 + 2

Combine like terms: -2 + 2 = 0
0 + 1a = 120 + 2
1a = 120 + 2

Combine like terms: 120 + 2 = 122
1a = 122

Divide each side by '1'.
a = 122

Simplifying
a = 122

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