Answer: M=2n-2
2n-2=0
2n-2+2=0+2
2n=2
Divide both side by 2
n=1
Step-by-step explanation:
3x - 18 = 42
3x = 42 + 18
3x = 60
x = 60/3
x = 20
I have memorized facts about fractions like these, so can tell you ...
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A fraction with 9 as a denominator is a repeating 1-digit decimal with the decimal digit being the numerator of the fraction.
A fraction with 11 as a denominator is a repeating 2-digit decimal with the two digits being 9 times the numerator of the fraction.
1/8 = 0.125, so any multiple of 1/8 is that multiple of 0.125.