8=2a+7a

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Solution for 8=2a+7a equation:


Simplifying
8 = 2a + 7a

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

Solving
8 = 9a

Solving for variable 'a'.

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

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

Combine like terms: 9a + -9a = 0
8 + -9a = 0

Add '-8' to each side of the equation.
8 + -8 + -9a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -9a = 0 + -8
-9a = 0 + -8

Combine like terms: 0 + -8 = -8
-9a = -8

Divide each side by '-9'.
a = 0.8888888889

Simplifying
a = 0.8888888889

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