james078921 james078921
  • 11-07-2019
  • Mathematics
contestada

SOLVE y = 3x – 2 x – y = 4 BY USING SUBSTITUTION!! SHOW ALL WORK! HELPPP!

Respuesta :

Abinatamang
Abinatamang Abinatamang
  • 11-07-2019

Answer:

x=-1, y=-5

Step-by-step explanation:

y=3x-2..... i

x-y=4...... ii

x-4=y

Substituting the value of y in equation i,

x-4=3x-2

2-4=3x-x

-2=2x

x=-1.

From ii,

-1-4=y

y=-5.

x=-1, y=-5

Answer Link

Otras preguntas

what is financial literature​
Find the x- and y- intercepts of the following linear equation: y = -5x - 1.
in an Arthemitic progression, if the common difference (d= -4) and the seventh term is 4 then find the first 3 terms​
An isotope of Uranium, Z = 92 and A = 235, decays by emitting an alpha particle. Calculate the number of neutrons in the nucleus left behind after the radioacti
Why were people inspired to write sing or act about de jure and de facto?
A person alive for x 3(2x-3)+4(2-x)=0 .. A. 1/2 B. 17/10 C. -17/2
How can you find the most important events or ideas in a poem? summarize the most important thoughts in the work analyze the meter to determine how rhythm affec
What is the surface of a sphere with a radius of 9 units
HELP OMG PLS what equation describes a line that passes through (-1,8) (5,-2)
Need help ASAP! -5 1/2 + 6 3/4 + (-4 1/4) = ? Options: 1} 5 1/2 2} 16 1/2 3} 8 4} -3