Answer:
x=-2,y=-3
Step-by-step explanation:
x=7+3x
-3x+8y=-18
-21-y=-18
x=7+3x
y=-3
x=7+3x
x=-2
y=-3
Answer:
A.
Step-by-step explanation:
Multiplying by moves the decimal point n places to the right.
Doing so 8 times for 5.21 gives 521,000,000.
Product means multiplication. So the equation would be xy ≤ 4.
I think is yes but I’m not sure