Question

| 3+x |=15 | 7-y|=1,5

Answer 1

| 3+x |=15 | 7-y|=1,5
х=12;-18. у=5,5; 8,5

Answer 2

(3+х)=15
х=15:3
х=5


(7-у)=1,5
у=7-1,5
у=5,5