7x-20=30

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Solution for 7x-20=30 equation: 


Simplifying
7x + -20 = 30

Reorder the terms:
-20 + 7x = 30

Solving
-20 + 7x = 30

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 7x = 30 + 20

Combine like terms: -20 + 20 = 0
0 + 7x = 30 + 20
7x = 30 + 20

Combine like terms: 30 + 20 = 50
7x = 50

Divide each side by '7'.
x = 7.142857143

Simplifying
x = 7.142857143

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