How do i rewrite, y = 30x/ (120-x) into y = (3600/(120-x)) - 30?
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Originally Posted by classicstrings How do i rewrite, y = 30x/ (120-x) into y = (3600/(120-x)) - 30? y = 30x/(120 – 6) = (3600 – 3600 + 30x)/(120 – x) = 3600/(120 – x) + (30x – 3600)/(120 – x) = 3600/(120 – x) + [30(x – 120)]/(120 – x) = 3600/(120 – x) – 30(120 – x)/(120 – x) = 3600/(120 – x) - 30
Originally Posted by classicstrings How do i rewrite, y = 30x/ (120-x) into y = (3600/(120-x)) - 30? Hi, use long division: Code: 3600 30x ÷ (-x+120) = -30 + ---------- -(30x-3600) -x + 120 ------------- 3600
3600 30x ÷ (-x+120) = -30 + ---------- -(30x-3600) -x + 120 ------------- 3600
Originally Posted by earboth Hi, use long division: Code: 3600 30x ÷ (-x+120) = -30 + ---------- -(30x-3600) -x + 120 ------------- 3600 nice!
Thank you both!
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