9(11-x)-4x=5(21-2x)+9x

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Solution for 9(11-x)-4x=5(21-2x)+9x equation:


Simplifying
9(11 + -1x) + -4x = 5(21 + -2x) + 9x
(11 * 9 + -1x * 9) + -4x = 5(21 + -2x) + 9x
(99 + -9x) + -4x = 5(21 + -2x) + 9x

Combine like terms: -9x + -4x = -13x
99 + -13x = 5(21 + -2x) + 9x
99 + -13x = (21 * 5 + -2x * 5) + 9x
99 + -13x = (105 + -10x) + 9x

Combine like terms: -10x + 9x = -1x
99 + -13x = 105 + -1x

Solving
99 + -13x = 105 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
99 + -13x + x = 105 + -1x + x

Combine like terms: -13x + x = -12x
99 + -12x = 105 + -1x + x

Combine like terms: -1x + x = 0
99 + -12x = 105 + 0
99 + -12x = 105

Add '-99' to each side of the equation.
99 + -99 + -12x = 105 + -99

Combine like terms: 99 + -99 = 0
0 + -12x = 105 + -99
-12x = 105 + -99

Combine like terms: 105 + -99 = 6
-12x = 6

Divide each side by '-12'.
x = -0.5

Simplifying
x = -0.5

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