-9-2a=5a-4-2a

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Solution for -9-2a=5a-4-2a equation:


Simplifying
-9 + -2a = 5a + -4 + -2a

Reorder the terms:
-9 + -2a = -4 + 5a + -2a

Combine like terms: 5a + -2a = 3a
-9 + -2a = -4 + 3a

Solving
-9 + -2a = -4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-9 + -2a + -3a = -4 + 3a + -3a

Combine like terms: -2a + -3a = -5a
-9 + -5a = -4 + 3a + -3a

Combine like terms: 3a + -3a = 0
-9 + -5a = -4 + 0
-9 + -5a = -4

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

Combine like terms: -9 + 9 = 0
0 + -5a = -4 + 9
-5a = -4 + 9

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

Divide each side by '-5'.
a = -1

Simplifying
a = -1

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