-11a-13+7a-3b=

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Solution for -11a-13+7a-3b= equation:


Simplifying
-11a + -13 + 7a + -3b = 0

Reorder the terms:
-13 + -11a + 7a + -3b = 0

Combine like terms: -11a + 7a = -4a
-13 + -4a + -3b = 0

Solving
-13 + -4a + -3b = 0

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + -4a + 13 + -3b = 0 + 13

Reorder the terms:
-13 + 13 + -4a + -3b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -4a + -3b = 0 + 13
-4a + -3b = 0 + 13

Combine like terms: 0 + 13 = 13
-4a + -3b = 13

Add '3b' to each side of the equation.
-4a + -3b + 3b = 13 + 3b

Combine like terms: -3b + 3b = 0
-4a + 0 = 13 + 3b
-4a = 13 + 3b

Divide each side by '-4'.
a = -3.25 + -0.75b

Simplifying
a = -3.25 + -0.75b

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