If the sum of x and y is 90 and y is 6 more than four times x, which of the following systems of equations could be used to solv
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To write it in simplest form, you must find a common factor.
In
, 3 is a factor of both 3 and 9
3÷3=1 and 9÷3=3
So
is your answer in simplest form.
In
3÷3=1 and 9÷3=3
So