122-5x=3x+21

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Solution for 122-5x=3x+21 equation:


Simplifying
122 + -5x = 3x + 21

Reorder the terms:
122 + -5x = 21 + 3x

Solving
122 + -5x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
122 + -5x + -3x = 21 + 3x + -3x

Combine like terms: -5x + -3x = -8x
122 + -8x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
122 + -8x = 21 + 0
122 + -8x = 21

Add '-122' to each side of the equation.
122 + -122 + -8x = 21 + -122

Combine like terms: 122 + -122 = 0
0 + -8x = 21 + -122
-8x = 21 + -122

Combine like terms: 21 + -122 = -101
-8x = -101

Divide each side by '-8'.
x = 12.625

Simplifying
x = 12.625

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