7(8-x)+x=28+x

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Solution for 7(8-x)+x=28+x equation:


Simplifying
7(8 + -1x) + x = 28 + x
(8 * 7 + -1x * 7) + x = 28 + x
(56 + -7x) + x = 28 + x

Combine like terms: -7x + x = -6x
56 + -6x = 28 + x

Solving
56 + -6x = 28 + 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.
56 + -6x + -1x = 28 + x + -1x

Combine like terms: -6x + -1x = -7x
56 + -7x = 28 + x + -1x

Combine like terms: x + -1x = 0
56 + -7x = 28 + 0
56 + -7x = 28

Add '-56' to each side of the equation.
56 + -56 + -7x = 28 + -56

Combine like terms: 56 + -56 = 0
0 + -7x = 28 + -56
-7x = 28 + -56

Combine like terms: 28 + -56 = -28
-7x = -28

Divide each side by '-7'.
x = 4

Simplifying
x = 4

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