What should be done to these equations in order to solve a system of equations by elimination?
2 answers:
Answer:
multiply equn q by 3 .
when u will multiply equn 1 by 3 then you will get,9x+3y=39 and second equn is4x_3y=13 so, y can be cancelled and get the value of x for the first time and by putting the value of x you will find the value of y.
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Answer:
7 hours
Step-by-step explanation:
12hrs=1116kms
1hr=1116÷12
1hr=93kms
Xhrs=651kms
Xhrs=(651÷93) ×1
=7×1
=7hrs
After one hour, the plane is 225 miles from its destination
Answer:
-1.375
Step-by-step explanation:
Instead of brainly you could just open your calculator.
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