1a-7=2

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Solution for 1a-7=2 equation: 


Simplifying
1a + -7 = 2

Reorder the terms:
-7 + 1a = 2

Solving
-7 + 1a = 2

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 1a = 2 + 7

Combine like terms: -7 + 7 = 0
0 + 1a = 2 + 7
1a = 2 + 7

Combine like terms: 2 + 7 = 9
1a = 9

Divide each side by '1'.
a = 9

Simplifying
a = 9

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