-13a-(-5a)+a-10=11

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Solution for -13a-(-5a)+a-10=11 equation:


Simplifying
-13a + -1(-5a) + a + -10 = 11

Remove parenthesis around (-5a)
-13a + -1 * -5a + a + -10 = 11

Multiply -1 * -5
-13a + 5a + a + -10 = 11

Reorder the terms:
-10 + -13a + 5a + a = 11

Combine like terms: -13a + 5a = -8a
-10 + -8a + a = 11

Combine like terms: -8a + a = -7a
-10 + -7a = 11

Solving
-10 + -7a = 11

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + -7a = 11 + 10

Combine like terms: -10 + 10 = 0
0 + -7a = 11 + 10
-7a = 11 + 10

Combine like terms: 11 + 10 = 21
-7a = 21

Divide each side by '-7'.
a = -3

Simplifying
a = -3

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