-2a-15+11a-(-13a)-10a=12

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Solution for -2a-15+11a-(-13a)-10a=12 equation:


Simplifying
-2a + -15 + 11a + -1(-13a) + -10a = 12

Remove parenthesis around (-13a)
-2a + -15 + 11a + -1 * -13a + -10a = 12

Multiply -1 * -13
-2a + -15 + 11a + 13a + -10a = 12

Reorder the terms:
-15 + -2a + 11a + 13a + -10a = 12

Combine like terms: -2a + 11a = 9a
-15 + 9a + 13a + -10a = 12

Combine like terms: 9a + 13a = 22a
-15 + 22a + -10a = 12

Combine like terms: 22a + -10a = 12a
-15 + 12a = 12

Solving
-15 + 12a = 12

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 12a = 12 + 15

Combine like terms: -15 + 15 = 0
0 + 12a = 12 + 15
12a = 12 + 15

Combine like terms: 12 + 15 = 27
12a = 27

Divide each side by '12'.
a = 2.25

Simplifying
a = 2.25

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