The LCD is 72
8/9 = 64/72
7/8 = 63/72
You basically simplify for this one,18 / ? = 9
18/2=9
So in this case, 8*2 is 16! Hope this helps!
A possible answer could be 4/10.
1/2 = 5/10 + 1/10 = 6/10
10/10 - 6/10 = 4/10
ANSWER

EXPLANATION
We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.
This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.

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Group similar terms:


Divide both sides by -3.2,

