-2a+3+3a=15-24

Solution for -2a+3+3a=15-24 equation:

Simplifying
-2a + 3 + 3a = 15 + -24

Reorder the terms:
3 + -2a + 3a = 15 + -24

Combine like terms: -2a + 3a = 1a
3 + 1a = 15 + -24

Combine like terms: 15 + -24 = -9
3 + 1a = -9

Solving
3 + 1a = -9

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 + 1a = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 1a = -9 + -3
1a = -9 + -3

Combine like terms: -9 + -3 = -12
1a = -12

Divide each side by '1'.
a = -12

Simplifying
a = -12