9a-4-3a-5a=-7

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Solution for 9a-4-3a-5a=-7 equation:


Simplifying
9a + -4 + -3a + -5a = -7

Reorder the terms:
-4 + 9a + -3a + -5a = -7

Combine like terms: 9a + -3a = 6a
-4 + 6a + -5a = -7

Combine like terms: 6a + -5a = 1a
-4 + 1a = -7

Solving
-4 + 1a = -7

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 1a = -7 + 4

Combine like terms: -4 + 4 = 0
0 + 1a = -7 + 4
1a = -7 + 4

Combine like terms: -7 + 4 = -3
1a = -3

Divide each side by '1'.
a = -3

Simplifying
a = -3

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