3+7x=57+x

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Solution for 3+7x=57+x equation:


Simplifying
3 + 7x = 57 + x

Solving
3 + 7x = 57 + 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.
3 + 7x + -1x = 57 + x + -1x

Combine like terms: 7x + -1x = 6x
3 + 6x = 57 + x + -1x

Combine like terms: x + -1x = 0
3 + 6x = 57 + 0
3 + 6x = 57

Add '-3' to each side of the equation.
3 + -3 + 6x = 57 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = 57 + -3
6x = 57 + -3

Combine like terms: 57 + -3 = 54
6x = 54

Divide each side by '6'.
x = 9

Simplifying
x = 9

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