-7a+5+8a=2a+8-28

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Solution for -7a+5+8a=2a+8-28 equation:


Simplifying
-7a + 5 + 8a = 2a + 8 + -28

Reorder the terms:
5 + -7a + 8a = 2a + 8 + -28

Combine like terms: -7a + 8a = 1a
5 + 1a = 2a + 8 + -28

Reorder the terms:
5 + 1a = 8 + -28 + 2a

Combine like terms: 8 + -28 = -20
5 + 1a = -20 + 2a

Solving
5 + 1a = -20 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
5 + 1a + -2a = -20 + 2a + -2a

Combine like terms: 1a + -2a = -1a
5 + -1a = -20 + 2a + -2a

Combine like terms: 2a + -2a = 0
5 + -1a = -20 + 0
5 + -1a = -20

Add '-5' to each side of the equation.
5 + -5 + -1a = -20 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = -20 + -5
-1a = -20 + -5

Combine like terms: -20 + -5 = -25
-1a = -25

Divide each side by '-1'.
a = 25

Simplifying
a = 25

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