5=3(x+7)-x

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Solution for 5=3(x+7)-x equation:


Simplifying
5 = 3(x + 7) + -1x

Reorder the terms:
5 = 3(7 + x) + -1x
5 = (7 * 3 + x * 3) + -1x
5 = (21 + 3x) + -1x

Combine like terms: 3x + -1x = 2x
5 = 21 + 2x

Solving
5 = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
5 + -2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
5 + -2x = 21 + 0
5 + -2x = 21

Add '-5' to each side of the equation.
5 + -5 + -2x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 21 + -5
-2x = 21 + -5

Combine like terms: 21 + -5 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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