Answer: -28
Step-by-step explanation:
320 guests / 5 servings per can = 64 cans required
Y-2x=-3.5
x-2y=-14
then multiply the first term by 2
2y-4x=-7
x-2y=-14
then sum them
-3x=-21
x=-7
y=3.5
Answer:
x<7
Step-by-step explanation:
Divide by -7 on both sides and when dividing by a negative you should flip the inequality sign.