2x+y=12
3x+2y=38
you have to use substitution to solve this problem

{-2x+y=12    => y=12+2x

{3x+2y=38

3x+2(12+2x)=38

3x+24+4x=38    /-24

7x=14  /:7

x=2

y=12+2*2=12+4=16

y=16

Solution: (2; 16)

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation: