Attempt 1 of For the following system, use the second equation to make a substitution for y in the first equation.
3x + y = 1
y+4= 5x
What is the resulting equation?
3x + 5x + 4 = 1
3x + 4 - 5x=1
3x + 5x - 4 = 1
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3x + 5x - 4 = 1

Step-by-step explanation:

rewrite equations (i'm using the substitution method)

3x + y = 1

y = 5x − 4

plug in the second equation into the first

3x + (5x − 4) = 1

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation: