7x-1=-20

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Solution for 7x-1=-20 equation: 


Simplifying
7x + -1 = -20

Reorder the terms:
-1 + 7x = -20

Solving
-1 + 7x = -20

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 7x = -20 + 1

Combine like terms: -1 + 1 = 0
0 + 7x = -20 + 1
7x = -20 + 1

Combine like terms: -20 + 1 = -19
7x = -19

Divide each side by '7'.
x = -2.714285714

Simplifying
x = -2.714285714

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