=4x-7(3-3x)-9

Solution for =4x-7(3-3x)-9 equation:

Simplifying
0 = 4x + -7(3 + -3x) + -9
0 = 4x + (3 * -7 + -3x * -7) + -9
0 = 4x + (-21 + 21x) + -9

Reorder the terms:
0 = -21 + -9 + 4x + 21x

Combine like terms: -21 + -9 = -30
0 = -30 + 4x + 21x

Combine like terms: 4x + 21x = 25x
0 = -30 + 25x

Solving
0 = -30 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
0 + -25x = -30 + 25x + -25x
Remove the zero:
-25x = -30 + 25x + -25x

Combine like terms: 25x + -25x = 0
-25x = -30 + 0
-25x = -30

Divide each side by '-25'.
x = 1.2

Simplifying
x = 1.2