mikaylafeist mikaylafeist

01-12-2016
Mathematics

contestada

Which ordered pair is the solution to the system?
x+5y=−3
2x+7y=3

A.(12, −3)
B.(−13, 2)
C.(−2, 1)
D.(22, −5)

Respuesta :

wizard123 wizard123

01-12-2016

For this one you want to cancel out the x-terms.
Multiply top equation by -2

---> -2x -10y = 6
---> 2x +7y = 3

Add them together

---> -3y = 9

Solve for y ...

Answer Link

Otras preguntas

walls built to hold water back are called1 levees2 wetlands3 deltas 4 dunes

Can you please help me

The measure of angle 1 is 30°, and the measure of angle 2 is 110° 3 What is the measure of angle 4? O 40° O 80° O 140° O 220° PLEASE HURRY

Question on the attachment

Type the correct answer in the box. Spell the word correctly. What program is Katherine practicing in her restaurant? Katherine wants to preserve the environmen

Does anyone know this?!?

What is the length of a full step in quick time or marching? a. 25 inches b. 30 inches c. 35 inches d. 20 inches

To wrap a gift, you can choose from 4 kinds of wrapping paper, 6 gift bags, 2 colors of ribbon, 5 bows, and 2 stickers. You choose either a style of wrapping pa

Help pleaseee Please answer correctly with a reason

hi please answer. thanks