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

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


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

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

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

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

Solving
-30 + 25x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-30 + 25x + -1x = x + -1x

Combine like terms: 25x + -1x = 24x
-30 + 24x = x + -1x

Combine like terms: x + -1x = 0
-30 + 24x = 0

Add '30' to each side of the equation.
-30 + 30 + 24x = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 24x = 0 + 30
24x = 0 + 30

Combine like terms: 0 + 30 = 30
24x = 30

Divide each side by '24'.
x = 1.25

Simplifying
x = 1.25

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