7 1/2 ummm i did it in my head lol but i’m sure it’s right
Answer:
4) 91.75
Step-by-step explanation:
7x+20+9x-4=180
16x=164
x=10.25
7(10.25)+20=
71.75+20=91.75
Answer:
7.5 gallons
Step-by-step explanation:
you do 180 divided by 40 = 4.5
you then do 105 divided by 35=3
you then add 4.5 gallons and 3 gallons to get 7.5 gallons
Answer:
x is less than or equal to 29
Step-by-step explanation:
-49 <_ 9 - 2x
isolate the variable.
-49 - 9 <_ 9 - 2x - 9
-58 <_-2x
-58/-2 <_-2x/-2
When dividing or multiplying by negatives, flip the sign.
-58/-2 <_-2x/-2
29 >_ x
x <_ 29
x is less than or equal to 29