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irakobra [83]
3 years ago
6

Can anyone help? If x = 3, what does y equal? x = 3 y = ? 5x + 3y = 9

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

y = -2

Step-by-step explanation:

Plug in 3 for x and you get:

15 + 3y = 9

Solve for, Subtract 15 oon both sides:

3y = -6

Divide by 3 on both sides:

y = -2

victus00 [196]3 years ago
3 0

Answer:

y = -2

Step-by-step explanation:

Substituting x for 3 we get

5(3) + 3y = 9

Since both sides are divisible by three, we do that

5 + y + 3

Isolate y

y = -2

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