3.2308
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It is: 42/13 = 3.'230769' recurring decimal
Or as: 42/13 = 3 and 3/13 as a mixed number
42
42/6 + 2*3 = 7+6 = 13
g/5 -13 = 42 (add 13 to both sides) g/5 = 55 (multiply both sides by 5) g = 275
7
The way to approach this is to write a algebraic equation: 13 - (x/7) = 6 Times both sides by 7 which gives: 13 - x = 42 Take away 13 on both sides which gives: -x = 29 x = -29 Now to check it 13 - - 29 = 42 (two negatives make a positive 42 divided by 7 = 6