-5a-8a+15a-3=15

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Solution for -5a-8a+15a-3=15 equation:


Simplifying
-5a + -8a + 15a + -3 = 15

Reorder the terms:
-3 + -5a + -8a + 15a = 15

Combine like terms: -5a + -8a = -13a
-3 + -13a + 15a = 15

Combine like terms: -13a + 15a = 2a
-3 + 2a = 15

Solving
-3 + 2a = 15

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 2a = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 2a = 15 + 3
2a = 15 + 3

Combine like terms: 15 + 3 = 18
2a = 18

Divide each side by '2'.
a = 9

Simplifying
a = 9

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