elimination method
1> 7x+15y=32
x-3y=20
5 answers
multipy the second equation by 5, then add the equations.
can u help me with my homework
well i did as you said but my answer comes in fraction....can you help me say where i am wrong?
i did it in this way
7x+15y=32
5x-15y=100
----------
2x=132
x=132/2
x=66
then
x-3y=20
66-3y=20
-3y=20-66
-3y=-46
y=-46/3
now i know i am wrong. can someone please correct me plz....
i did it in this way
7x+15y=32
5x-15y=100
----------
2x=132
x=132/2
x=66
then
x-3y=20
66-3y=20
-3y=20-66
-3y=-46
y=-46/3
now i know i am wrong. can someone please correct me plz....
You should be ADDING the 2 equations...so it should be 12x = 132, instead of 2x = 132
Question 5 of 8
Multiple Choice: Please select the best answer and click "submit."
The rule below shows how to find the distance traveled of an object thrown downward with initial
Multiple Choice: Please select the best answer and click "submit."
The rule below shows how to find the distance traveled of an object thrown downward with initial