Answer:
The number is 4
Step-by-step explanation:
Lets say the number is x:
4x-5=2x+3 subtract 3
4x-8=2x divide by 2
2x-4=x
x+4=2x
x=4
Answer:
-49/50
Step-by-step explanation:
-39v=4v+7(v+7)
Distribute
-39v = 4v +7v+49
Combine like terms
-39v = 11v+49
Subtract 11 v from each side
-39v-11v = 11v-11v +49
-50v = 49
Divide by -50
-50v/-50 = 49/-50
v = -49/50
Answer:
15
Step-by-step explanation:
Answer:
1 serving of Roast Beef and 2 servings of Mashed potatoes
EDIT: added photo with work shown
A negative number * another negative number gives a positive value
A positive number * another positive number also gives a positive value
The solutions are -4, 4
Hope this helps :)