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crimeas [40]
3 years ago
8

Determine the number of solutions to the system: x + 6y = 6 7x - 3y = - 3

Mathematics
1 answer:
krek1111 [17]3 years ago
6 0
X+6y=6
7x-3y=-3

3x+18y=18
42x-18y=-18

45x=0

x=0

putting the value x in above equation....

6y=6

y=1

hope it will help you ☺️



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Bob's age is 4 times greater than Susanne's age. Dakota is three years younger than Susanne. The sum of Bob's, Susanne's, and Da
Ratling [72]
<span>Susanne is 16 years old.</span>

b = Bob's age

s = Susanne's age

d = Dakota's age

Bob's age is 4 times greater than Susanne's age:

b = 4s

Dakota is three years younger than Susanne:

d = s - 3

The sum of Bob's, Susanne's, and Dakota's ages is 93:

b + s + d = 93


 solve these equations:

b = 4s

d = s - 3

b + s + d = 93


and get:

b = 64 years

s = 16 years

(remember that s = Susanne)

d = 13 years
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