If x = 9, what is the value of y in the equation below? (y = 8x - (1+4x) ?

asked Apr 9, 2016 68.3k views

4 votes

If x = 9, what is the value of y in the equation below? (y = 8x - (1+4x) ?

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4 votes

Solve x=9 for x:

Substitute 9 for x in y=4x−1:

y=4x−1

y=(4)(9)−1

y=35(Simplifed both sides of the equation)

Robin Manoli answered Apr 11, 2016

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4 votes

8x9 which is 72
1+ (4x9)
4x9= 26
Y = 72-27 which is 35 AND +1
so Y= 35!

Lawnsea answered Apr 14, 2016

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