Evaluate the function y = 17 – x. when x = –6

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asked Feb 14, 2015 142k views

2 votes

Evaluate the function y = 17 – x. when x = –6

Mathematics
middle-school

Rje asked

by Rje

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Evaluate just means solve it. If x is -6, that just means put -6 in for x and solve.
y=17 - -6. Subtracting a negative is the same as adding a positive, so it's the same as y=17 + 6, which is y=23.

Phuah Yee Keat answered Feb 17, 2015

by Phuah Yee Keat

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5 votes

y=17-(-6) changes the equation to y=17+6 (since two negatives make a positive) and make the answer 23

Nikwin answered Feb 18, 2015

by Nikwin

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