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andrezito [222]
3 years ago
15

(1) Solve this system using the substitution method: y = x – 1; 4x – 3y = 6

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
3 0

Answer:

(1)x=3, y=2

(2)x=19, y=31

Step-by-step explanation:

(1)

4x-3(x-1)=6

4x-3x+3=6

x+3=6

x=3

(2)

.76x+3.68y=128.52

x+y=50

.76x+3.68(50-x)=128.52

.76x+184-3.68x=128.52

.76x-3.68=-55.48

-2.92x=-55.48

x=19

19+y=50

y=31

This took so much work....  I hope I helped you well.

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