(0.4y -3)/(1.5y + 9) = -7/5
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Answer:
y = 9.1764705882352941176470588235294
Step-by-step explanation:
we can solve this by using cross multiplication.
(0.4y-3)/(1.5y+9) = -7/5
⇒ (0.4y-3) × 5 = -7 × (1.5y+9)
⇒ 2y-15 = 10.5y+63
⇒ 2y-10.5y = 63+15
⇒ -8.5y = 78
⇒ y = -78/8.5
⇒ y = 9.1764705882352941176470588235294
Hope it helps
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