Answer:
y = 6
Explanation:
Given (1, y ) is on the graph of y = - x + 7
Substitute x = 1 into the equation and evaluate for y
y = - 1 + 7 = 6
Then (1, 6 ) lies on the graph
6
it's given that x=1
y=-(1)+7
y=-1+7
y=6
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