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(a) 3If (a, 4) lies on the graph of 3x + y = 10, then the value of a is(a) 3(b) 1(c) 2(d) 4 |
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Answer» Answer: 2 3x+y=10 (a,4) a is the value of X 4 is the value of y we NEED to find a 3x+y=10 substitue 4 in y 3x+4=10 3x=10-4 3x=6 x=6/3 x=2 |
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