9-4(-a+9)+3(7+2a)=

Solution for 9-4(-a+9)+3(7+2a)= equation:

Simplifying
9 + -4(-1a + 9) + 3(7 + 2a) = 0

Reorder the terms:
9 + -4(9 + -1a) + 3(7 + 2a) = 0
9 + (9 * -4 + -1a * -4) + 3(7 + 2a) = 0
9 + (-36 + 4a) + 3(7 + 2a) = 0
9 + -36 + 4a + (7 * 3 + 2a * 3) = 0
9 + -36 + 4a + (21 + 6a) = 0

Reorder the terms:
9 + -36 + 21 + 4a + 6a = 0

Combine like terms: 9 + -36 = -27
-27 + 21 + 4a + 6a = 0

Combine like terms: -27 + 21 = -6
-6 + 4a + 6a = 0

Combine like terms: 4a + 6a = 10a
-6 + 10a = 0

Solving
-6 + 10a = 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 + 6 + 10a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 10a = 0 + 6
10a = 0 + 6

Combine like terms: 0 + 6 = 6
10a = 6

Divide each side by '10'.
a = 0.6

Simplifying
a = 0.6