50-3x=7x+20

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Solution for 50-3x=7x+20 equation:


Simplifying
50 + -3x = 7x + 20

Reorder the terms:
50 + -3x = 20 + 7x

Solving
50 + -3x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
50 + -3x + -7x = 20 + 7x + -7x

Combine like terms: -3x + -7x = -10x
50 + -10x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
50 + -10x = 20 + 0
50 + -10x = 20

Add '-50' to each side of the equation.
50 + -50 + -10x = 20 + -50

Combine like terms: 50 + -50 = 0
0 + -10x = 20 + -50
-10x = 20 + -50

Combine like terms: 20 + -50 = -30
-10x = -30

Divide each side by '-10'.
x = 3

Simplifying
x = 3

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