191k views
0 votes
-7x = -8x +20 what's the value for x

2 Answers

5 votes
add 8 on both sides:
-8+8=0
-7+8=1
and the final answer is:
1x=20 or x=20
User Breno Prata
by
7.1k points
2 votes
x=20, Simply add 8x to both sides of the equation
User Kennyhyun
by
7.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.