-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60

-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5
-2x=-6 so x=3

y=11 and x=3

5 0

3 years ago

Simplify the following expression:<br><br> (4x+8) - 3(x+1)

Umnica [9.8K]

Answer:

x + 5

Step-by-step explanation:

$4x + 8 + (-3)(x) + (-3)(1)$
$4x + 8 -3x -3$
$(4x-3x) + (8-3)$
$x + 5$

Therefore, the answer is x + 5.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

8 0

3 years ago

Read 2 more answers

Pythagorean theorem please help

MakcuM [25]

Answer:

4√73

Step-by-step explanation:

x^2= 12^2 + 32^2

x^2= 144+ 1024

x^2=1168

x= 4√73

3 0

3 years ago

What is the period of the sinusoidal function?<br><br> Enter your answer in the box.

ratelena [41]

Answer: 20

Step-by-step explanation: Just took the quiz

3 0

2 years ago