5x+57=x+21

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Solution for 5x+57=x+21 equation:


Simplifying
5x + 57 = x + 21

Reorder the terms:
57 + 5x = x + 21

Reorder the terms:
57 + 5x = 21 + x

Solving
57 + 5x = 21 + 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.
57 + 5x + -1x = 21 + x + -1x

Combine like terms: 5x + -1x = 4x
57 + 4x = 21 + x + -1x

Combine like terms: x + -1x = 0
57 + 4x = 21 + 0
57 + 4x = 21

Add '-57' to each side of the equation.
57 + -57 + 4x = 21 + -57

Combine like terms: 57 + -57 = 0
0 + 4x = 21 + -57
4x = 21 + -57

Combine like terms: 21 + -57 = -36
4x = -36

Divide each side by '4'.
x = -9

Simplifying
x = -9

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