-5a+7a=-18+3a

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Solution for -5a+7a=-18+3a equation: 


Simplifying
-5a + 7a = -18 + 3a

Combine like terms: -5a + 7a = 2a
2a = -18 + 3a

Solving
2a = -18 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
2a + -3a = -18 + 3a + -3a

Combine like terms: 2a + -3a = -1a
-1a = -18 + 3a + -3a

Combine like terms: 3a + -3a = 0
-1a = -18 + 0
-1a = -18

Divide each side by '-1'.
a = 18

Simplifying
a = 18

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