x(x+8)-x(x+3)-23=3x+11

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Solution for x(x+8)-x(x+3)-23=3x+11 equation:


Simplifying
x(x + 8) + -1x(x + 3) + -23 = 3x + 11

Reorder the terms:
x(8 + x) + -1x(x + 3) + -23 = 3x + 11
(8 * x + x * x) + -1x(x + 3) + -23 = 3x + 11
(8x + x2) + -1x(x + 3) + -23 = 3x + 11

Reorder the terms:
8x + x2 + -1x(3 + x) + -23 = 3x + 11
8x + x2 + (3 * -1x + x * -1x) + -23 = 3x + 11
8x + x2 + (-3x + -1x2) + -23 = 3x + 11

Reorder the terms:
-23 + 8x + -3x + x2 + -1x2 = 3x + 11

Combine like terms: 8x + -3x = 5x
-23 + 5x + x2 + -1x2 = 3x + 11

Combine like terms: x2 + -1x2 = 0
-23 + 5x + 0 = 3x + 11
-23 + 5x = 3x + 11

Reorder the terms:
-23 + 5x = 11 + 3x

Solving
-23 + 5x = 11 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-23 + 5x + -3x = 11 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-23 + 2x = 11 + 3x + -3x

Combine like terms: 3x + -3x = 0
-23 + 2x = 11 + 0
-23 + 2x = 11

Add '23' to each side of the equation.
-23 + 23 + 2x = 11 + 23

Combine like terms: -23 + 23 = 0
0 + 2x = 11 + 23
2x = 11 + 23

Combine like terms: 11 + 23 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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