4j = b
j stands for the price of one pair of jeans
b stands for the price of one book.
Answer: Around 10 days. The real answer is 10 2/3.
Answer:
Step-by-step explanation:
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Answer:
x = -40
Step-by-step explanation:
<u>Rewrite "(x - 4)/4" in a different way:</u>
⇒ 8 + x/2 = (x - 4)/4 - 1
⇒ 8 + x/2 = x/4 - 4/4 - 1
<u>Simplify the R.H.S:</u>
⇒ 8 + x/2 = x/4 - 1 - 1
⇒ 8 + x/2 = x/4 - 2
<u>Add 2 both sides and subtract x/2 both sides:</u>
⇒ 8 + x/2 = x/4 - 2
⇒ 8 + 2 = x/4 - x/2
⇒ 10 = x/4 - 2x/4
<u>Simplify the R.H.S:</u>
⇒ 10 = x/4 - 2x/4
⇒ 10 = -x/4
<u>Use cross multiplication:</u>
⇒ 10 × 4 = -x
⇒ -(40) = x = -40
