-3(7a-4b)+2(-3+b)=

Solution for -3(7a-4b)+2(-3+b)= equation:

Simplifying
-3(7a + -4b) + 2(-3 + b) = 0
(7a * -3 + -4b * -3) + 2(-3 + b) = 0
(-21a + 12b) + 2(-3 + b) = 0
-21a + 12b + (-3 * 2 + b * 2) = 0
-21a + 12b + (-6 + 2b) = 0

Reorder the terms:
-6 + -21a + 12b + 2b = 0

Combine like terms: 12b + 2b = 14b
-6 + -21a + 14b = 0

Solving
-6 + -21a + 14b = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + -21a + 6 + 14b = 0 + 6

Reorder the terms:
-6 + 6 + -21a + 14b = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -21a + 14b = 0 + 6
-21a + 14b = 0 + 6

Combine like terms: 0 + 6 = 6
-21a + 14b = 6

Add '-14b' to each side of the equation.
-21a + 14b + -14b = 6 + -14b

Combine like terms: 14b + -14b = 0
-21a + 0 = 6 + -14b
-21a = 6 + -14b

Divide each side by '-21'.
a = -0.2857142857 + 0.6666666667b

Simplifying
a = -0.2857142857 + 0.6666666667b