Answer:
9
Step-by-step explanation:
This means that 9/(9+72)=(3x-20)/(3x+36), or 1/9=(3x-20)/(3x+36). Cross-multiply to get that 27x-180=3x+36, so 24x=216, and x=9.
Answer:
y=3x/6+x
Step-by-step explanation:
Answer:
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47.93 is the answer because multiplication and addition
Answer:x=15/6
Step-by-step explanation: