-9-5a=5-7a

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


Simplifying
-9 + -5a = 5 + -7a

Solving
-9 + -5a = 5 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-9 + -5a + 7a = 5 + -7a + 7a

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

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

Add '9' to each side of the equation.
-9 + 9 + 2a = 5 + 9

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

Combine like terms: 5 + 9 = 14
2a = 14

Divide each side by '2'.
a = 7

Simplifying
a = 7

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