Do the first step of solving this equation by substitution, by creating a single equation (do not use spaces)

x=1  y=3

Step-by-step explanation:

x= 1 y= 3

Step-by-step explanation:

y= 2x+1

y= 4x-1

4x-1=2x +1

4x-2x= 1+1

2x=2

x=2/2

x=1. replace x=1 in any of the equation to find y

y= 2(1)+1

y= 2+1

y=3

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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