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5 votes
How to solve 7x+(-3)=18​

2 Answers

6 votes

Answer:

7x+(-3)=18

7x-3=18

7x-3+3=18+3

7x=18+3

7x=21

7x/7=21/7

x=21/7

x=3

User Dries De Rydt
by
4.6k points
1 vote

Answer:

x=3

Explanation:

7x(-3)=18

add 3 to both sides

7x=21

divide by 7 on both sides

x=3

User Nikotromus
by
4.7k points