The ordered pair (, 4) is a solution to the equation y=5x-1.
2 answers:
y=5x-1
use the substitution method since y= 4
4= 5x-1
move -1 to the other side
sign changes from -1 to +1
4+1= 5x-1+1
4+1= 5x
5= 5x
divide both sides by 5 to get x by itself
5/5= 5/5x
Cross out 5 and 5, divide by 5 and then becomes 1*1*x= x
x=5/5
Answer: x= 1
(1,4)
So, if you’re only given the y coordinate in your problem, you would plug that back into your equation y=5x-1 turns into 4=5x-1 and you can solve by 5=5x 1=x so the ordered pair turns out to be (1,4)
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