Solve the equation simultaneously 1. m/4-n/6=-1

m/2-n/8=10
2. a/2+b=1
3a-b/3=21/2

1 answer

Hey, first you try.
for example
m/4-n/6=-1
m/2-n/8=10 multiply this by 1/2
then you have
m/4-n/6=-1
m/4-n/16=5
then subtract
n/16 - n/6 = -6
3 n/48 - 8 n/48 = - 6
5 n = 6*48
n = 6 * 48 / 5
go back and get m