electramoonapothefae electramoonapothefae

13-09-2021
Mathematics

contestada

Substitution method x=3y-8

Respuesta :

imtherealbababooey imtherealbababooey

13-09-2021

Explanation:
Solving the first equation for
x
:
x
=
8
−
3
y

Substituting this ( for
x
)in the second equation
2
(
8
−
3
y
)
−
y
=
9
expanding
16
−
6
y
−
y
=
9
16
−
7
y
=
9

so
7
y
=
7
so
y
=
1
and
x
=
8
−
3
x
=
5

Answer Link

Otras preguntas

By 1962 which of these did 90% of American families own?

10% as a decimal and fraction??

piscine : serpentine :: A. apiary : simian B. canine : caper C. lionize : equitation D. ursine : leonine

what did john white think the great fire was?

Which word correctly completes the sentence? __________ shoes are these in the middle of the kitchen floor? A. Who's B. Who'se C. Whose

Who commanded the Eighth Army at El Alamein?

What is most likely the purpose of King’s Letter from Birmingham Jail? A. to publicize his personal achievements as a community leader B. to influence others to

7 times as much as the sum of 1/3 and 4/5

Which could be the measures of the three angles of an acute triangle? A. 45°, 55°, 80° B. 35°, 45°, 100° C. 45°, 45°, 90° D. 20°, 50°, 110°

What is the area of the trapezoid? A. 480 square feet B. 96 square feet C. 52 square feet D. 240 square feet