8-9a=-a-10

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Solution for 8-9a=-a-10 equation:


Simplifying
8 + -9a = -1a + -10

Reorder the terms:
8 + -9a = -10 + -1a

Solving
8 + -9a = -10 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
8 + -9a + a = -10 + -1a + a

Combine like terms: -9a + a = -8a
8 + -8a = -10 + -1a + a

Combine like terms: -1a + a = 0
8 + -8a = -10 + 0
8 + -8a = -10

Add '-8' to each side of the equation.
8 + -8 + -8a = -10 + -8

Combine like terms: 8 + -8 = 0
0 + -8a = -10 + -8
-8a = -10 + -8

Combine like terms: -10 + -8 = -18
-8a = -18

Divide each side by '-8'.
a = 2.25

Simplifying
a = 2.25

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