Answer: x = 1
Step-by-step explanation:
Step 1: Cross-multiply.
x/8 = 8/64
x*(64)=(8)*(8)
64x=64
Step 2: Divide both sides by 64.
64x/64 = 64/64
Therefor, the answer is x = 1
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What is the answer to 4(x + 3) < 7x - 3x - 11
1 answer:
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As given,
Step 1: Pick any three-digit counting number
Lets pick the number 643
Step 2: Reverse the digits of the original number.
So, reverse becomes 346
Now, it says that the difference of these two numbers has a tens digit of 9.
Lets, check:
So, its true that the difference has a tens digit of 9.
Another example:
Lets take 449
So reverse is = 944
Difference =
Here also the tens digit is 9.
So, the condition applies to all 3 digit numbers.