gtsaling190 gtsaling190
  • 03-11-2021
  • Mathematics
contestada

x+y=7

2x+7y=9

solve using elimination
I'll give brainliest

Respuesta :

wizard46
wizard46 wizard46
  • 03-11-2021

Step-by-step explanation:

7x+7y=7

-2x-7y=-9

7-7 will be Cut

so,

5x=-2

x=-2/5

x=-0.4

7(-0.4)+7y=7

-2.8+7y=7

7y=7+2.8

7y=9.8

y=9.8/7

y=1.4

HOPE IT HELPS!!

Answer Link

Otras preguntas

A 40 inch board is to be cut into three pieces so that the second price is 4times as long as the first piece and the third piece is 5 times as long as the first
im sad and depressed because i just got called to the library to get told i didnt mke the team for the battle of the books
Any gîrls here free to talk
yes haha yes what no oh yeah no nevermind wait yes
Subtract the following complex numbers: (11-7)-(16-11) A. 5+ 4i OB. 5-18i O C. -5-18i OD. -5+4i
Any gîrls here free to talk
change -23/20 into a deciamal
Study the equations: f(x)=11x-5 g(x)=-2x-4 What is h(x) = f(x) g(x)
My boss is pregnant is it ok to knit him and his husband a baby sweater?
600+39 what does it add up to help