-4a+5+5a=12-28

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Solution for -4a+5+5a=12-28 equation:


Simplifying
-4a + 5 + 5a = 12 + -28

Reorder the terms:
5 + -4a + 5a = 12 + -28

Combine like terms: -4a + 5a = 1a
5 + 1a = 12 + -28

Combine like terms: 12 + -28 = -16
5 + 1a = -16

Solving
5 + 1a = -16

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 + 1a = -16 + -5

Combine like terms: 5 + -5 = 0
0 + 1a = -16 + -5
1a = -16 + -5

Combine like terms: -16 + -5 = -21
1a = -21

Divide each side by '1'.
a = -21

Simplifying
a = -21

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