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

@maddie82502

Answer 2

when you substitute you are using equivalent expressions.
find the expression for one variable then use this expression for the same variable in the second equation.

Answer 3

I think it is either c or d

Answer 4

using the first equation what is m=?

Answer 5

idk wat is m

Answer 6

the variable unknown in the equation

Answer 7

what + what gives u 5