4a-8(9+9a)=-6(-7a+12)

Solution for 4a-8(9+9a)=-6(-7a+12) equation:

Simplifying
4a + -8(9 + 9a) = -6(-7a + 12)
4a + (9 * -8 + 9a * -8) = -6(-7a + 12)
4a + (-72 + -72a) = -6(-7a + 12)

Reorder the terms:
-72 + 4a + -72a = -6(-7a + 12)

Combine like terms: 4a + -72a = -68a
-72 + -68a = -6(-7a + 12)

Reorder the terms:
-72 + -68a = -6(12 + -7a)
-72 + -68a = (12 * -6 + -7a * -6)
-72 + -68a = (-72 + 42a)

Add '72' to each side of the equation.
-72 + 72 + -68a = -72 + 72 + 42a

Combine like terms: -72 + 72 = 0
0 + -68a = -72 + 72 + 42a
-68a = -72 + 72 + 42a

Combine like terms: -72 + 72 = 0
-68a = 0 + 42a
-68a = 42a

Solving
-68a = 42a

Solving for variable 'a'.

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

Add '-42a' to each side of the equation.
-68a + -42a = 42a + -42a

Combine like terms: -68a + -42a = -110a
-110a = 42a + -42a

Combine like terms: 42a + -42a = 0
-110a = 0

Divide each side by '-110'.
a = 0.0

Simplifying
a = 0.0