Question

if HCFof 120 and 130 can be expressed IN THE FORM 3x+4 find x

Answer 1

H.C.F. of 120 and 130 is 10.
3x+4=10
3x=6
x=2

Answer 2

Hcf 0f 120 and 130

120=2×2×2×5×3

130=2×5×13

So,hcf=2×5=10

3x+4=10

3x=6

X=6/3

X=3