Question

Solve, using the substitution method.

m + n = 5
m – n = 3


There is no solution.
The solution is (2, –1)
The solution is (4, 1)
There are an infinite number of solutions.

Answer 1

the solution is (4, 1)

Answer 2

rearrange either one of the equatoins ima rearrange equation 2

Answer 3

then sub that back into equation one