ZWilliams06 ZWilliams06

01-12-2020
Mathematics

contestada

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations5x7y23and 3x4y12 by combining the equations class=

Respuesta :

hunfra267 hunfra267

01-12-2020

Answer:

Step-by-step explanation:

32

Answer Link

hiyathere16 hiyathere16

01-12-2020

Answer:

x=8 and y= -9

Step-by-step explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8

Answer Link

Otras preguntas

Which of these is the best transition between paragraphs two and three?

Why is being an identical twin bad?

what happens when farmers drastically altered the breeding zones of the rocky mountain locust

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! Find the cosine of ∠V. Write your answer as an integer or as a decimal rounded to the nearest hundredt

Which detail from 'Heart of darkness' shows the ineffectiveness of the colonizers

The study of the functions of the body is known as

roms In dealing with the Cherokee, the state governments refused to: O A. Honor previous treaties. O O O B. Discourage crimes by settlers. C. Enforce court ruli

Two related independent clauses can be joined by a

What volume of oxygen at STP is needed to fully react with 8.53 mol of C2H4? C2H4 reacts with O2, according to the following equation: C2H4(g) + 3O2(g) → 2CO2(g

Help me. I don't understand. Please help me find X and IK