20-15a+b+6+4a-4b=

Solution for 20-15a+b+6+4a-4b= equation:

Simplifying
20 + -15a + b + 6 + 4a + -4b = 0

Reorder the terms:
20 + 6 + -15a + 4a + b + -4b = 0

Combine like terms: 20 + 6 = 26
26 + -15a + 4a + b + -4b = 0

Combine like terms: -15a + 4a = -11a
26 + -11a + b + -4b = 0

Combine like terms: b + -4b = -3b
26 + -11a + -3b = 0

Solving
26 + -11a + -3b = 0

Solving for variable 'a'.

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

Add '-26' to each side of the equation.
26 + -11a + -26 + -3b = 0 + -26

Reorder the terms:
26 + -26 + -11a + -3b = 0 + -26

Combine like terms: 26 + -26 = 0
0 + -11a + -3b = 0 + -26
-11a + -3b = 0 + -26

Combine like terms: 0 + -26 = -26
-11a + -3b = -26

Add '3b' to each side of the equation.
-11a + -3b + 3b = -26 + 3b

Combine like terms: -3b + 3b = 0
-11a + 0 = -26 + 3b
-11a = -26 + 3b

Divide each side by '-11'.
a = 2.363636364 + -0.2727272727b

Simplifying
a = 2.363636364 + -0.2727272727b