If G.C.F (25,15)=$4×+1$ then$x$= ?
To do: Find the value of $x$
Solution:
The GCF of 25, 15 is $4x + 1, then x$
$25 = 5 \times 5$
15 = $3 \times 5$
GCF of 15 and $25 = 5 = 4\times + 1$
Solving we get $4\times = 5 - 1 = 4$
or x = $\frac{4}{4}$ = 1
Therefore, the value of $x$ = 1
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