Is this page of questions from school pupils asking us to do their homework? They are all suspiciously similar in type - only the values differ.
However, it's:
6n - 2n = 16
4n = 16 (by completing the subtraction since they are multiples of n)
n = 16/4 (change sides, change sign)
n = 4. (do the division)
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36 -20 = 16
h = 63
m=16, n=2
To solve this equation:set it out as: x-16 = 14add 16 to both sides, so that x is left on its own: x = 16 + 14answer: x = 30
Solve using the quadratic formula