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

Help due less then a hour!! Examples of weathering,erosion,and deposition

Evaluate this; 6+ sq root of 14+x MINUS sq root of 9*x ..when x=2

What were the three types of colonies established by the English in North America? corporate democratic proprietary independent royal

So few minutes is an example of a phrase rather than a sentence because: 1) it is a group of words that does not include both a subject and verb 2)it is a group

How did the attitudes of many Americans change after the terrorist attacks of September 11, 2001? A) They became more concerned with foreign policy. B) They b

square root of 91 rounded to the nearest tenth

what term describes the tendency of a moving object to continue moving at the same velocity unless an unbalanced force acts on it? A. inertiaB. Friction C. Grav

If their is a right triangle does that mean there is left triangle ?

What figure of speech is illustrated in this sentence? "she's like the wind." metaphor personification simile

How many grams in an ounce?