-9a+(7a-5)=

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Solution for -9a+(7a-5)= equation:


Simplifying
-9a + (7a + -5) = 0

Reorder the terms:
-9a + (-5 + 7a) = 0

Remove parenthesis around (-5 + 7a)
-9a + -5 + 7a = 0

Reorder the terms:
-5 + -9a + 7a = 0

Combine like terms: -9a + 7a = -2a
-5 + -2a = 0

Solving
-5 + -2a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -2a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2a = 0 + 5
-2a = 0 + 5

Combine like terms: 0 + 5 = 5
-2a = 5

Divide each side by '-2'.
a = -2.5

Simplifying
a = -2.5

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