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

Does anyone know what the equation for this graph should be
WILL GIVE BRAINLIEST! Your friend was absent the days that the following formulas were introduced. Write a detailed letter to your friend explaining to them. S
The general form of an exponential function is y = abx. Use the regression calculator to find the values of a and b for the water lily population growth. Round
Quartzite is a rock that can be form at boundaries of tectonic plates. Over time sandstone buried at the boundary is folded and changed by pressure and heat. Th
According to captain Cochran, undercover operations are A.) Proactive B.) Reactive C.) Excessive D.) Insufficient
There are no instructions, so can anyone explain? Thank you
What is the composite figure A.70 B.100 C. 105 D. 130
What are the times the Texas congress is in regular session?
Johnny B's rectangular garden is 5 feet long and 10 feet wide. He wants to make the area of his garden 6 times as large by increasing the length and width by t
The manager of a popular restaurant wants to know what types of vegetarian dishes people prefer to eat. Which sample would provide the most accurate data?