Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the v

Question

3 years ago

5

Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the v

alue for x into the second equation: 3. Solve for y: 4. Substitute y into either original equation: 5. Write the solution as an ordered pair:

Mathematics

2 answers:

Anettt [7] · Answer 1 · 2022-08-09T00:58:17+03:00

Anettt [7]3 years ago

5 0

X + 3y = 7
x = -3y + 7

2x + 4y = 8
2(-3y + 7) + 4y = 8
-6y + 14 + 4y = 8
-6y + 4y = 8 - 14
-2y = - 6
y = -6/-2
y = 3

x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

solution is (-2,3)

Finger [1] · Answer 2 · 2022-08-09T03:02:30+03:00

Finger [1]3 years ago

5 0

Answer:

-2,3. I know this because I got it correct on Edge.