2x(7-x)=x

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Solution for 2x(7-x)=x equation:


Simplifying
2x(7 + -1x) = x
(7 * 2x + -1x * 2x) = x
(14x + -2x2) = x

Solving
14x + -2x2 = x

Solving for variable 'x'.

Reorder the terms:
14x + -1x + -2x2 = x + -1x

Combine like terms: 14x + -1x = 13x
13x + -2x2 = x + -1x

Combine like terms: x + -1x = 0
13x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(13 + -2x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(13 + -2x)' equal to zero and attempt to solve: Simplifying 13 + -2x = 0 Solving 13 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -2x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -2x = 0 + -13 -2x = 0 + -13 Combine like terms: 0 + -13 = -13 -2x = -13 Divide each side by '-2'. x = 6.5 Simplifying x = 6.5

Solution

x = {0, 6.5}

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