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

The right to vote is called ?
How many moles of H2O were produced during the combustion of CH4
Why did the British soldiers attack Lexington and concord?
Which tense allows for the sequencing of two or more noncontinuous events that occur in the same time period?
What are some hobbies in French
I need help with this please. I need this to pass.
Without usefulness, there would be no benefits from information to set against its cost.
The theory that learning increases the efficiency of production is called the: A. learning curve B. learning effect C. education cost D. none of the above
a change of dna in an organism that results in a new trait is known as a
Massimo has $90 in the bank every time he rides the bus he spends 250 write and solve an equation that Massimo can use to see how many times he can ride the bus