-2+2a+7=8

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


Simplifying
-2 + 2a + 7 = 8

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

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

Solving
5 + 2a = 8

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 + 2a = 8 + -5

Combine like terms: 5 + -5 = 0
0 + 2a = 8 + -5
2a = 8 + -5

Combine like terms: 8 + -5 = 3
2a = 3

Divide each side by '2'.
a = 1.5

Simplifying
a = 1.5

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