Question

If (2m +7n)/ (4m^2-49n^2) = 7, what is the value of 2m - 7n?

Answer 1

7

Answer 2

oops

Answer 3

1/7

Answer 4

u factor the bottom using a^2 + b^2

Answer 5

and cancel 2m + 7

Answer 6

so 1/ 2m-7n = 7

Answer 7

replace 2m-7n with x and solve for x, which gives u 1/7

Answer 8

thanks