=7a-3b+5a+6b

Solution for =7a-3b+5a+6b equation:

Simplifying
0 = 7a + -3b + 5a + 6b

Reorder the terms:
0 = 7a + 5a + -3b + 6b

Combine like terms: 7a + 5a = 12a
0 = 12a + -3b + 6b

Combine like terms: -3b + 6b = 3b
0 = 12a + 3b

Solving
0 = 12a + 3b

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
0 + -12a = 12a + -12a + 3b
Remove the zero:
-12a = 12a + -12a + 3b

Combine like terms: 12a + -12a = 0
-12a = 0 + 3b
-12a = 3b

Divide each side by '-12'.
a = -0.25b

Simplifying
a = -0.25b