7x-30=8

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Solution for 7x-30=8 equation: 


Simplifying
7x + -30 = 8

Reorder the terms:
-30 + 7x = 8

Solving
-30 + 7x = 8

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 7x = 8 + 30

Combine like terms: -30 + 30 = 0
0 + 7x = 8 + 30
7x = 8 + 30

Combine like terms: 8 + 30 = 38
7x = 38

Divide each side by '7'.
x = 5.428571429

Simplifying
x = 5.428571429

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