4(x+7)=7+x

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


Simplifying
4(x + 7) = 7 + x

Reorder the terms:
4(7 + x) = 7 + x
(7 * 4 + x * 4) = 7 + x
(28 + 4x) = 7 + x

Solving
28 + 4x = 7 + 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 = 7 + x + -1x

Combine like terms: 4x + -1x = 3x
28 + 3x = 7 + x + -1x

Combine like terms: x + -1x = 0
28 + 3x = 7 + 0
28 + 3x = 7

Add '-28' to each side of the equation.
28 + -28 + 3x = 7 + -28

Combine like terms: 28 + -28 = 0
0 + 3x = 7 + -28
3x = 7 + -28

Combine like terms: 7 + -28 = -21
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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