-a+(3a)+15+15a-(-2)=

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Solution for -a+(3a)+15+15a-(-2)= equation:


Simplifying
-1a + (3a) + 15 + 15a + -1(-2) = 0

Multiply -1 * -2
-1a + (3a) + 15 + 15a + 2 = 0

Reorder the terms:
15 + 2 + -1a + (3a) + 15a = 0

Combine like terms: 15 + 2 = 17
17 + -1a + (3a) + 15a = 0

Combine like terms: -1a + (3a) = 2a
17 + 2a + 15a = 0

Combine like terms: 2a + 15a = 17a
17 + 17a = 0

Solving
17 + 17a = 0

Solving for variable 'a'.

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

Add '-17' to each side of the equation.
17 + -17 + 17a = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 17a = 0 + -17
17a = 0 + -17

Combine like terms: 0 + -17 = -17
17a = -17

Divide each side by '17'.
a = -1

Simplifying
a = -1

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