-7a+8a=2-9

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Solution for -7a+8a=2-9 equation: 


Simplifying
-7a + 8a = 2 + -9

Combine like terms: -7a + 8a = 1a
1a = 2 + -9

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

Solving
1a = -7

Solving for variable 'a'.

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

Divide each side by '1'.
a = -7

Simplifying
a = -7

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