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Suppose y =2x+10. Find Y if x=4

Suppose Y = 2x - 4. Find X if y=10

Suppose Y 2x10 Find Y If X4 Suppose Y 2x 4 Find X If Y10 class=

Answer :

You just have to plug in the value of x and y.
1) y = 2x + 10 —> y = 2(4) + 10
y = 8 + 10
y = 18
2) y = 2x - 4 —> 10 = 2x - 4
add four to both sides
14 = 2x and divide 2 by both sides and you get x = 7

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