-5a+7a=-18+8a

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Solution for -5a+7a=-18+8a equation: 


Simplifying
-5a + 7a = -18 + 8a

Combine like terms: -5a + 7a = 2a
2a = -18 + 8a

Solving
2a = -18 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
2a + -8a = -18 + 8a + -8a

Combine like terms: 2a + -8a = -6a
-6a = -18 + 8a + -8a

Combine like terms: 8a + -8a = 0
-6a = -18 + 0
-6a = -18

Divide each side by '-6'.
a = 3

Simplifying
a = 3

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