Question

Using the equation 5x=4y, if y=10, what is x?

Answer 1

x = 8

Explanation:

plug 10 into the other equation for y then solve...

5x = 4(10)

5x = 40

x = 8 [Answer]

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Answer 2

x = 8

Explanation:

Using the equation 5x = 4y, if y = 10, what is x?

5x = 4y

5x = 4(10) <== substitute 10 for y

5x = 40

/5 /5 <== divide both sides by 5

x = 8 <== value of x, our final answer

Hope this helps!