Question

Решите уравнения : 
(х-31+48)-(31-4)+(11-8+34)=48

Answer 1

x=48+31-48+31-4-11+8-34
x=21

Answer 2

(х-31+48)-(31-4)+(11-8+34)=48х+17-27+37=48
х+27=48
х=48-27
х=21