3 years ago

Solve the systems using substitution. − 2x − 5y = − 5 x = 5y − 20

1 answer:

7 0

-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
-15y + 40 = -5
-15y = -45, y = 3
x = 5(3) - 20
x = 15 - 20, x = -5
Solution: x = -5, y = 3... or (-5,3)

You might be interested in

Ming weighed a bag of soil for a science experiment. The weight was 2.003 kg. She then removed 0.520 kg of soil from the bag. Ho

natima [27]

Just subtract 2.003 and 0.520 which gives you 1.483 so there is 1.483 kilogram of soil remaining hope this helps!

7 0

3 years ago

Read 2 more answers

Please Help!! Screenshot below!

Reika [66]

Answer:

the answer is x+3(the 3rd option)

Step-by-step explanation:

Hope This Helps!!

(brainliest please)

7 0

3 years ago

Math Test Helpppppp!!!!!!!!

soldier1979 [14.2K]

Simple problem:

When simplifying 3(x-6) they subtracted 3 instead of multiplied by 3.
3(x-6) should be 3x-18.
Now when you simplify:
3x-18+4x+12-6x
Which is x -6 =0
Or x =6

3 0

2 years ago

Roger and Sulee each decomposed 1 1/6.Roger wrote 1/6+1/6+2/6+3/6.Sulee wrote 3/6+4/6. who is correct? Explain

dybincka [34]

The correct answer is Roger

4 0

2 years ago

Say if you drive 240 miles at a unit rate of 60 miles per hour, how many hours would it take to drive 240 miles? explain what yo

vichka [17]

4 hours. You divide 240 by 60 because you travel 240 total miles and you 60 mph and you will get 4 and it will be 4 hours

3 0

2 years ago