Answer:
2 step equation problems.
Step-by-step explanation:
So you need to replace -3 into that to add -18 on both sides and that gives you the negative number is -20 and then you add the -5r+-3r less than or equal to -20. Now, negative -5 +3 = -8 + -20 = -28. r=-28.
9. 105
10. 50
11. 55
9. 180-75=m<EFB
10. 90-40=m<EGB
11. 75+50+m<FBG=180
He should use the computer less.
It is bad for mathews eyes.