3 years ago

What is 3x-5y=12 with a substitution of X=3y

Mathematics

1 answer:

Step2247 [10]3 years ago

8 0

3x-5y=12
X=3y

3(3y)-5y=12
9y-5y=12
4y=12
y=3

X=3y
X=3(3)
X=9

You might be interested in

What is the value of when x = 16 and y = 2? 32 02 2 2 4 Hi

nasty-shy [4]

If you are multiplying 16 times 2 then 32 would be your answer. If you are subtracted your answer would be 14. If you are adding them your answer would be 18. I don’t really see what sign is being used.

7 0

3 years ago

What is 12а + 7x - За – 2х

kifflom [539]

Answer:

=12a-3a+7x-2x

=9a+5x

This is the answer.

Hope it helps you..

3 0

2 years ago

Read 2 more answers

Weight Price 3 Oz $10.00 OZ $15.00

alukav5142 [94]

Answer:weight and the Oz would be the same for both problems

Step-by-step explanation:

4 0

1 year ago

You spend two and a half hours online you spend one fifth of that time writing a blog how long do you spend writing your blog

sveta [45]

Answer:

u spend half an hour on your blog

Step-by-step explanation:

(1/5)*(5/2) = 1/2

4 0

2 years ago

How many 2 over 5 foot pieces can Tara cut from the 4 and 4 over 5 feet of rope

Naddik [55]

Answer:

One.

Step-by-step explanation:

3 0

3 years ago