149k views
2 votes
A+18=7
what does a equal

User Tillaert
by
5.6k points

2 Answers

1 vote
Hello.

Rewrite the equation as 7−x=187-x=18.7−x=187-x=18
−x=11-x=11Multiply each term in −x=11-x=11 by −1-1
Answer= x=−11

Have a nice day
User Chaker
by
5.9k points
4 votes
a+18=7

Subtract both sides by 18
By the subtraction property of equality, a= -11
User Leowang
by
5.9k points