deeannarod
deeannarod
01-08-2017
Mathematics
contestada
Solve for x and y: 7y−5x=31 & x=4−2y
Respuesta :
sergibcnusa
sergibcnusa
01-08-2017
7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,
y =3, x = -2.
Weird 20 min without answer!
Answer Link
nia7701
nia7701
01-08-2017
y =3 x=-2 hope it helps
Answer Link
VER TODAS LAS RESPUESTAS ( 82+ )
Otras preguntas
A function is represented by the table. x y 3 -2 5 -26 7 -50 The rate of change of the function represented in the table is . For the given x- and y-values, the
Γ How many colonies are there?
(1−cos^2 x )·(1+tan^2 x)
Select the correct answer. The buildup of fatty substances such as cholesterol and saturated fats inside the artery walls results in which cardiovascular diseas
Murphy made an art sculpture composed of 512 matchsticks and 760 uncooked penne pieces. What is the ratio of match sticks to penne pieces? Simplify your answer
What value of x is in the solution set of 3(x – 4) > 5x + 2?
Why is it important for credibility that immigration statistics on the US State Department’s website are updated regularly? ⚪
Which of the following is an example of a conditional probability? A. The probability that it will not rain on Friday B. The probability that a person has an um
what is a noun,verb and tangent of 50
What number should be removed from the list {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} so that the mean of the remaining numbers is 7.25?