8a-9=-7

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Solution for 8a-9=-7 equation:


Simplifying
8a + -9 = -7

Reorder the terms:
-9 + 8a = -7

Solving
-9 + 8a = -7

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 8a = -7 + 9

Combine like terms: -9 + 9 = 0
0 + 8a = -7 + 9
8a = -7 + 9

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

Divide each side by '8'.
a = 0.25

Simplifying
a = 0.25

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