5a+8+(-2a)=-7

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


Simplifying
5a + 8 + (-2a) = -7

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

Combine like terms: 5a + (-2a) = 3a
8 + 3a = -7

Solving
8 + 3a = -7

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 3a = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 3a = -7 + -8
3a = -7 + -8

Combine like terms: -7 + -8 = -15
3a = -15

Divide each side by '3'.
a = -5

Simplifying
a = -5

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