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Solve if x = 7 y = -20x + 400
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3 votes
Solve if x = 7 y = -20x + 400

User Zebraman
by
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1 Answer

5 votes

Answer:

y = 260

Explanation:

given the equation

y = - 20x + 400 ← substitute x = 7 into the equation

y = - 20(7) + 400 = - 140 + 400 = 260

User Dale Marshall
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