Answer:
One Solution
Step-by-step explanation:
x + 3y = 3
x - y = -3
4y = 6 Subtract to solve by elimination.
y =
Divide by 4.
x -
= -3 Substitute
for y in the original equation.
x = -
Add
.
Answer:
1) 4 2)1/5 X=10
Step-by-step explanation:
Small to large is a fraction
Large to small is a whole number
Answer:9
Step-by-step explanation: x+4=13
x=13-4
x=9
Answer:
40 minutes
Step-by-step explanation:
12 envelopes every 10 minutes.
48 envelopes = 40 minutes