-9a-4=-5a+7

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


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

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

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

Solving
-4 + -9a = 7 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
-4 + -9a + 5a = 7 + -5a + 5a

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

Combine like terms: -5a + 5a = 0
-4 + -4a = 7 + 0
-4 + -4a = 7

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

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

Combine like terms: 7 + 4 = 11
-4a = 11

Divide each side by '-4'.
a = -2.75

Simplifying
a = -2.75

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