9-7a+5a=10

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Solution for 9-7a+5a=10 equation: 


Simplifying
9 + -7a + 5a = 10

Combine like terms: -7a + 5a = -2a
9 + -2a = 10

Solving
9 + -2a = 10

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 + -2a = 10 + -9

Combine like terms: 9 + -9 = 0
0 + -2a = 10 + -9
-2a = 10 + -9

Combine like terms: 10 + -9 = 1
-2a = 1

Divide each side by '-2'.
a = -0.5

Simplifying
a = -0.5

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