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kondaur [170]
3 years ago
13

1

Mathematics
1 answer:
torisob [31]3 years ago
5 0

Answer:

$18

Step-by-step explanation:

1($2) + 10($1) + 3($2) = 18

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Solve the system of equations by substitution x+y=18, y=5x
Artyom0805 [142]

Answer:

(3, 15 )

Step-by-step explanation:

Given the 2 equations

x + y = 18 → (1)

y = 5x → (2)

Substitute y = 5x into (1)

x + 5x = 18

6x = 18 ( divide both sides by 6 )

x = 3

Substitute x = 3 into (2) for corresponding value of y

y = 5(3) = 15

Solution is (3, 15 )

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4 years ago
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