30-7x=2x+20

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Solution for 30-7x=2x+20 equation: 


Simplifying
30 + -7x = 2x + 20

Reorder the terms:
30 + -7x = 20 + 2x

Solving
30 + -7x = 20 + 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.
30 + -7x + -2x = 20 + 2x + -2x

Combine like terms: -7x + -2x = -9x
30 + -9x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
30 + -9x = 20 + 0
30 + -9x = 20

Add '-30' to each side of the equation.
30 + -30 + -9x = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -9x = 20 + -30
-9x = 20 + -30

Combine like terms: 20 + -30 = -10
-9x = -10

Divide each side by '-9'.
x = 1.111111111

Simplifying
x = 1.111111111

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