Answer: a,b, and c are the correct solutions
Step-by-step explanation:
You are substituting each (x,y) for the equation given. They must equal the same on both sides.
Answer:
no
Step-by-step explanation:
its composite
Answer:
x=-2, y=4. (-2, 4).
Step-by-step explanation:
3x+2y=2
-2x+y=8
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y=8-(-2x)
y=8+2x
y=2x+8
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3x+2(2x+8)=2
3x+4x+16=2
7x+16=2
7x=2-16
7x=-14
x=-14/7
x=-2
3(-2)+2y=2
-6+2y=2
2y=2-(-6)
2y=2+6
2y=8
y=8/2
y=4
Just can decorate 2 full cakes. 6 divides by 3 is 2. So she decorated 2 per hour. If you do the work it’s 2 divided by 0.75 (3/4) you get 2 2/3. But that’s not a full 3 cakes so only 2. Glad to help!