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Solve 7x - 1 = 20 help
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1 vote
Solve 7x - 1 = 20 help

User Foxdonut
by
7.6k points

2 Answers

1 vote
Answer: x=3

Explanation:
7x-1=20
Add 1 to both sides
7x=21
Divide both sides by 7
X=3
User Yoni
by
8.2k points
5 votes
Isolate the x in the equation.

First add both sides by one.

7x - 1 + 1 = 20 + 1

Simplify.

7x = 21

Divide each side by 7.

7x/7 = 21/7

Simplify.

x = 3
User Large
by
7.6k points
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