fabowaleelizabeth fabowaleelizabeth

12-03-2020
Mathematics

contestada

Use substitution to solve the sy
2x+3y = 19
x = 2y-1
Solve for x and y

Respuesta :

romanshaw290 romanshaw290

12-03-2020

Answer: Y=3, X=5

Step-by-step explanation:

2(2y-1) + 3y=19

4y-2+ 3y=19

7y=21

Y=3

Plug in y in the second equals

X=2(3) -1

X=6-1

X=5

Hope this helps!

Answer Link

Otras preguntas

On what two structures does the radial head pivot during movements such as turning a doorknob

What important victory did one founder of the Carolingians achieve? A.He convinced all Europeans to convert to Christianity. B.He won the title of first warrior

A box can slide with negligible friction on a horizontal table top. a string of negligible mass runs horizontally over a dowel with negligible friction, and the

Fifteen equals three more than six times a number

Which major world religion is broadly associated with the lowest meat production?

A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. ignore frictional losses and assume that the mas

The last two answers are •He is thoughtful •He is godly

Write the following expression using a single exponent. (7^5)^3 × 7^6 A. 7^14 B. 7^21 C. 79 D. 7^48

Radicals attribute the conflictual nature of the international system to

A 6-year-old child who just completed a cycle of chemotherapy is to be discharged home. What is the priority teaching point at discharge?