gshreya2005
gshreya2005
18-08-2018
Mathematics
contestada
need help fast i am stuck.
Respuesta :
alesparkles
alesparkles
18-08-2018
Well since you have y=5x-4 you can substitute that into 7x-3y=20
7x-3(5x-4)=20
That would equal x=-1
Since you know what x is, you can substitute that into the second equation
y=5(-1)-4 which would equal -9
x=-1
y=-9
Hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 16+ )
Otras preguntas
As the United States expanded from the original thirteen states, it had to
How old is a dog compared to a Homo Sapien
How many molecules of liquid ethanol (CH3H2OH) are in 1.00 mL of ethanol, given its density is 0.789 g/mL?
Find the minimum value of n that guarantees an error of no more than 1/30,000 in approximating integral 1/x dx from 3 to 4 by the Trapezoidal Rule with n equal
what are the solutions to the quadratic equation x2 – 16 = 0? x = 2 and x = –2 x = 4 and x = –4 x = 8 and x = –8 x = 16 and x = –16
What are the possible numbers of positive, negative, and complex zeros of f(x)=x^6-x^5-x^4+4x^3-12x^2+12?
You’re an average, moderately active adult male. Therefore, you should consume approximately ______ calories and 85 grams of fat.
arturo is building a flower bed in the shape of a right triangle. the hypotenuse of the right triangle is 13 feet. one of the legs needs to be 7 feet longer tha
taxes for local school is 2.5 percent household earns $80,000 per year how much is school taxes per year?
It is impossible for a triangle to be which of the following? Both isosceles and acute Both equilateral and acute Both scalene snd acute Both right and acute
