What is th evalue of x when y = 7

Question

2
-3x +4y-1=0

Answer 1

-3x+4y-1=0
+1 +1
-3x+4y=1
-28 -28
-3x=-27
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-3x -3x

x=9

Answer 2

-3x +4y-1=0
-3x + 4(7) - 1 = 0
-3x = -27
x = 9