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

Find the 10th term of the geometric sequence 8,-16,32

PLEASE HELP ME!! THANK YOU SO MUCH!! EXPLANATION = BRAINLIEST

A useful statement of a main idea is typically (blank)

NEED HELP ASAP NO LINKS

Which statement describes Eeyore's character based on the characterization in the excerpt?

Would it be more deleterious (harmful) for the first Adenine in the DNA sequence to be replaced with a Cytosine or for the first Adenine to be deleted from the

In what direction do trees grow

. On page 1 of the Passage, the speaker in the poem repeats the phrases “O thou whose” and “To thee the Spring." Which statement explains how this repetition he

Camry 196 11 Pontiac 220 13 Buick 356 15 Toyota 583 21 The table above shows the number of miles four different cars traveled and the amount of gasoline each ca

1. The equation y = x + 5 shows the total dollar amount, y, Jason receives in a week by completing x chores. 2. The equation y = 15x shows the total miles, y, B