Answer:
Step-by-step explanation:
N is all integers except 0.
Answer:
1. x=-4
Step-by-step explanation:
Answer:
45 miles per hour.
Step-by-step explanation:
you have to times 15 by 3 to get 45
and 20 times three is 60
This is the answer I like to show people the math so they know how to do it
One way is ellimination metahto where we add
add them together
x+y=-2
<u>2x-y=5 +
</u>3x+0y=3
3x=3
divide by 3
x=1
subsitute
x+y=-2
1+y=-2
subtract 1
y=-3
answer
x=1
y=-3
answer is in form (x,y) and is (1,-3)
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