pandaboost89 pandaboost89

17-02-2021
Mathematics

contestada

Y=4x-1
Y-2=x
i need help substitution method

Respuesta :

MiaBreznau MiaBreznau

17-02-2021

Answer:

x = 1, y = 3

Step-by-step explanation:

x = y - 2, so y = 4 (y - 2) -1

solve normally now

y = 4 (y - 2) -1

y = 4y - 8 - 1 (distribute)

y = 4y - 9 (simplify)

+9 -y -y +9

9 = 3y

3 = y

y - 2 = x

(3) - 2 = x

x = 1

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Why is islam often said to be an egalitarian faith?

Lines a & m are parallel. Using the diagram below, what is the degree measure of angle 3? Enter the numerical answer only. Example, if the answer is 12 degr

Triangle BCD is rotated 80° clockwise about the origin to form ΔKLM. If m∠KLM = 30°, what is m∠BCD? A. 80° B. 110° C. 50° D. 30°

What is the range of the function f(x) = 4x – 5 over the interval of 1 < x ≤ 5? Give your answer in interval notation.

Which database offers many full-text articles from more than 40 us and international newspapers?

What is the highest common factor of 330 and 693?

Find the first three output values for the function f(z) = 2 - 1 + i. Use z = 0 as the first input value. Type your answer and then click or tap Done. When z= 0

Which measurement is used to determine whether a person is a healthy weight for their height? O muscle mass percentage O body fat percentage O muscle mass index

Coach Murphy has the football team run stairs for practice. Each set of stairs has 75 steps. They have to do 6 sets and have already run 300 stairs.

Does the figure above appear to have rotational symmetry?if yes, select the angles of rotation less than 360°