(4)(7-x)=x

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Solution for (4)(7-x)=x equation:


Simplifying
(4)(7 + -1x) = x
(7 * 4 + -1x * 4) = x
(28 + -4x) = x

Solving
28 + -4x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
28 + -4x + -1x = x + -1x

Combine like terms: -4x + -1x = -5x
28 + -5x = x + -1x

Combine like terms: x + -1x = 0
28 + -5x = 0

Add '-28' to each side of the equation.
28 + -28 + -5x = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -5x = 0 + -28
-5x = 0 + -28

Combine like terms: 0 + -28 = -28
-5x = -28

Divide each side by '-5'.
x = 5.6

Simplifying
x = 5.6

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