Kawiana15 Kawiana15

02-09-2020
Mathematics

contestada

Solve the following system of equations using substitution:
2x - 2y + z = 8
-y+z=4
2z=4

Respuesta :

meredith48034 meredith48034

02-09-2020

Answer:

Step-by-step explanation:

2z = 4

z = 2

-y + 2 = 4

-y = 2

y = -2

2x + 4 + 2 = 8

2x + 6 = 8

2x = 2

x = 1

(1, -2, 2)

Answer Link

Otras preguntas

How representative is Congress? Most legislators are white, upper-middle-class males, although this group is a very small part of our entire population.Can thes

Evaluate 3(4 - 2)2 A. 108 B. 36 C. 12 D. 100

3 8 3 ÷9=3, start fraction, 3, divided by, 8, end fraction, divided by, 9, equals

Cedric has deposited $12,000 into an account that pays 5% interest compounded annually. Daniel has deposited 12,000 into an account that pays 7% simple annual i

Andreas wants to estimate how many fish there are in a lake. One day he catches 20 fish,marks them,and returns them to the lake. The next day he catches 10 fish

change in to passive . the question is ,someone is helping her with the housework

HIJ has coordinates H(-4,3), I7(-2, 0), and J (-4,1). Graph the triangle and its translation 3 units to the right and 2 units down. What are the coordinates of

y2 + 15y +56 = (y + 7)(y+) y +7 y - 7 y-8 y - 8 Find the number after y+

Experts, ACE, Genius... can anybody calculate for the Reactions at supports A and B please? Will give brainliest! Given: fb = 300 kN/m, fc = 100 kN/m, Dy = 300

What the answer now answer only if now answer corry