babycakes201220150 babycakes201220150
  • 03-10-2021
  • Mathematics
contestada

3x -4y= -20 -x +2y =10 whats the value of y

Respuesta :

soccerfan54 soccerfan54
  • 03-10-2021
3x-4y=10
-20-x+2y=10 then -30+2y=x now plug this in the other equation:
3(-30+2y)-4y=10
-90+6y-4y=10
2y=100
y=50
Answer Link

Otras preguntas

Summary- In what ways is Islam a way of life as well as a set of beliefs?
When a client wants to include whole-grain foods in his or her daily intake, a fitness professional could suggest A. fresh or frozen vegetables. B. fresh fruit
Why did the king issue the proclamation of 1763? to enforce tax on sugar to establish British soldiers in the colonies to encourage settlement of lands west of
If you’re aerobically fit, you can A. lift very heavy weights without injuries to your joints. B. run a marathon without experiencing fatigue. C. sustain a regu
4.5 , 3.25 , 2 , 0.75 next three terms
name all sets of numbers for 7.2
A team of runners is needed to run 1/4 mile relay race. If each runner must run 1/16 mile. How many runners will be needed?
How did South Carolina respond to the election of Abraham Lincoln as president in 1860?
Write −(−2z − 5y) in simplified form.
How does the sun cause wind?