3 years ago

What is the solution of the system of equations? 2x-y=7 Y=2x+3

Mathematics

1 answer:

Arturiano [62]3 years ago

4 0

Answer:

No solution

Step-by-step explanation:

2x -y =7

y= 2x +3

Substitute the y value. 2x-(2x+3)=7 or 2x -2x-3=7
Eliminate opposites 2x -2x-3=7 >>>> -3=7
Answer -3= 7 ( false)

You might be interested in

2+2x2^a x b */7 help me.

devlian [24]

Answer:

2+2x2^a x b*7

4x7 x 2a x b

28x 2a x b

2(a x b) x 28

56 x a x b

=56ab

2+2x2^a x b*7

4x7 x 2^a x b

28x a x a x b

2 x b x 28

56 x b

=56b

4 0

3 years ago

Please help me solve number 1. Urgent.

Neko [114]

Answer:

x^-(3/2) which is (1)

Step-by-step explanation:

squared root of x³ is basically x^(3/2)

And if the question is 1/x^(3/2), then you can simply answer x^-(3/2) which is (1)

5 0

3 years ago

What =x in 1/4x+7=31/4

MakcuM [25]

Answer:

x=3

Step-by-step explanation:

3 0

2 years ago

A car uses 20 Gallons of fuel to travel 440 miles, How much fuel will the car use to have 1054 miles?

Lilit [14]

Answer:

About 48 gallons so B

Step-by-step explanation:

440/20=22 miles per gallon

1054/22=47.90909091...

4 0

2 years ago

Read 2 more answers

PLEASE HELP!!!!! PEOPLE ARE GETTING THEM WRONG FOR ME!!!

UkoKoshka [18]

Answer:

18 lawns

Step-by-step explanation:

Lets take the number of lands that would be mow(ed) in 36 hours as x

Hence,

$Thriugh\ the\ proportion\ method\ , we\ get\ \\\\3 : 6::x:36\\36*3=6x\\\frac{36*3}{6} =x\\\frac{108}{6}=x\\x=18$

8 0

2 years ago