Question

Solve this simultaneous equation m+2n=10 and 2n+3m=18​

Answer 1

m=4

n=3

Explanation:

m+2n=10

2n+3m=18

Subtract

-2m=-8

m=4

Solve for n

(4)+2n=10

2n+3(4)=18

2n=10-4

2n=18-12

2n=6

n=3