50-7x=2x+21

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Solution for 50-7x=2x+21 equation:


Simplifying
50 + -7x = 2x + 21

Reorder the terms:
50 + -7x = 21 + 2x

Solving
50 + -7x = 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.
50 + -7x + -2x = 21 + 2x + -2x

Combine like terms: -7x + -2x = -9x
50 + -9x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
50 + -9x = 21 + 0
50 + -9x = 21

Add '-50' to each side of the equation.
50 + -50 + -9x = 21 + -50

Combine like terms: 50 + -50 = 0
0 + -9x = 21 + -50
-9x = 21 + -50

Combine like terms: 21 + -50 = -29
-9x = -29

Divide each side by '-9'.
x = 3.222222222

Simplifying
x = 3.222222222

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