A.)20+5n=55
B.) You subtract 20 from 55 which is 35.
So your left with 5n=35, divide both sides by 5. 35÷5=7
C.)Your answer is 7.
C distance is the only thing that isn't preserved under a dilation
93 is not a multiple of 9. Multiple of 9 would be 90 or 99. These are multiples of 9 in a range from 0 up to 100:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99
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