Question

If the HCF of 210 and 55 is expressible in the form 210*5+55y, find y.

Answer 1

HCF of 210 & 55 is 5
210*5 + 55y = 5
1050 + 55y = 5
55y = -1045
y = -19

Answer 2

the hcf will be 5
210*5 + 55y = 5
55y = -1045
y = -19