5x-9(x+1)+(5x-1-2)=9

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Solution for 5x-9(x+1)+(5x-1-2)=9 equation:


Simplifying
5x + -9(x + 1) + (5x + -1 + -2) = 9

Reorder the terms:
5x + -9(1 + x) + (5x + -1 + -2) = 9
5x + (1 * -9 + x * -9) + (5x + -1 + -2) = 9
5x + (-9 + -9x) + (5x + -1 + -2) = 9

Reorder the terms:
5x + -9 + -9x + (-1 + -2 + 5x) = 9

Combine like terms: -1 + -2 = -3
5x + -9 + -9x + (-3 + 5x) = 9

Remove parenthesis around (-3 + 5x)
5x + -9 + -9x + -3 + 5x = 9

Reorder the terms:
-9 + -3 + 5x + -9x + 5x = 9

Combine like terms: -9 + -3 = -12
-12 + 5x + -9x + 5x = 9

Combine like terms: 5x + -9x = -4x
-12 + -4x + 5x = 9

Combine like terms: -4x + 5x = 1x
-12 + 1x = 9

Solving
-12 + 1x = 9

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 1x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = 9 + 12
1x = 9 + 12

Combine like terms: 9 + 12 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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