20=7x-1

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Solution for 20=7x-1 equation:


Simplifying
20 = 7x + -1

Reorder the terms:
20 = -1 + 7x

Solving
20 = -1 + 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.
20 + -7x = -1 + 7x + -7x

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

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

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

Combine like terms: -1 + -20 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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