Respuesta :

Answer:

y=29

Step-by-step explanation:

Replace x with 7:

y=8+3(7)

Multiply 7 and 3:

y=8+21

Add together:

y=29

Answer: Y = 29

Step-by-step explanation:

We are given:

X = 7

Y = 8 + 3x

Since we know that the variable X is really the number 7, substitute it in...

Y = 8 + 3x

Y = 8 + 3(7)

Y = 8 + 21

Y = 29

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