211k views
0 votes
Solve: 2x + 12 - 7x = -2

User JeromeXoo
by
8.2k points

2 Answers

4 votes
2x + 12 - 7x = -2
1. you can either minus or add 7x to 2x
2. which gives 9x + 12 = -2
3. minus 12 on both sides
4. gives you 9x +-14
5. divided -14 by 9

Answer is -1.55 repeatting
User Cheok Yan Cheng
by
8.0k points
2 votes
x=14 over 5 that's the answer I got when I did it on paper
User Jeeppp
by
8.7k points