Question

If (m,2m+1) is a solution of the equation x +3y=7, find the value of m

Answer 1

Answer: m = 4/7

Explanation:

x = m

y = 2m+1

so

x+3y = 7

or, m+3(2m+1) = 7

or, m + 6m+3 = 7

or, 7m = 4

so m = 4/7