2a+-15=-8

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Solution for 2a+-15=-8 equation: 


Simplifying
2a + -15 = -8

Reorder the terms:
-15 + 2a = -8

Solving
-15 + 2a = -8

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 2a = -8 + 15

Combine like terms: -15 + 15 = 0
0 + 2a = -8 + 15
2a = -8 + 15

Combine like terms: -8 + 15 = 7
2a = 7

Divide each side by '2'.
a = 3.5

Simplifying
a = 3.5

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