(4x+28)-(9x-21)=(6x-6)

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Solution for (4x+28)-(9x-21)=(6x-6) equation:


Simplifying
(4x + 28) + -1(9x + -21) = (6x + -6)

Reorder the terms:
(28 + 4x) + -1(9x + -21) = (6x + -6)

Remove parenthesis around (28 + 4x)
28 + 4x + -1(9x + -21) = (6x + -6)

Reorder the terms:
28 + 4x + -1(-21 + 9x) = (6x + -6)
28 + 4x + (-21 * -1 + 9x * -1) = (6x + -6)
28 + 4x + (21 + -9x) = (6x + -6)

Reorder the terms:
28 + 21 + 4x + -9x = (6x + -6)

Combine like terms: 28 + 21 = 49
49 + 4x + -9x = (6x + -6)

Combine like terms: 4x + -9x = -5x
49 + -5x = (6x + -6)

Reorder the terms:
49 + -5x = (-6 + 6x)

Remove parenthesis around (-6 + 6x)
49 + -5x = -6 + 6x

Solving
49 + -5x = -6 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
49 + -5x + -6x = -6 + 6x + -6x

Combine like terms: -5x + -6x = -11x
49 + -11x = -6 + 6x + -6x

Combine like terms: 6x + -6x = 0
49 + -11x = -6 + 0
49 + -11x = -6

Add '-49' to each side of the equation.
49 + -49 + -11x = -6 + -49

Combine like terms: 49 + -49 = 0
0 + -11x = -6 + -49
-11x = -6 + -49

Combine like terms: -6 + -49 = -55
-11x = -55

Divide each side by '-11'.
x = 5

Simplifying
x = 5

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