2 answers:
Answer:
Problem 1: gives x=-11
Problem 2: gives x=33/5
Step-by-step explanation:
I will do it both ways:
Problem 1:
I don't like the fraction so I'm going to clear by multiplying both sides by 5:
Distribute:
Subtract 2x on both sides:
Subtract 30 on both sides:
Divide both sides by 3:
Problem 2:
Clear the fraction by multiplying both sides by 5:
Distribute:
Subtract 5x on both sides:
Add 3 on both sides:
Divide both sides by 5:
For this case we must solve the following equation:
Multiplying by 5 on both sides we have:
We add 3 to both sides of the equation:
Subtracting 5x on both sides:
Dividing between -3 on both sides:
Answer:
-11
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Answer:
The surface area of the square pyramid is 280 square meters.
Answer: -4
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Answer: 5/4
Step-by-step explanation: