Question

решите уравнение 390:(4х+3)=26

Answer 1

4х+3=390:26
4х+3=15
4х=15-3
х=12:4=3

Answer 2

390:(4х+3)=26
390:26=4х+3
15=4х+3
15-3=4х
12=4х
4х=12
х=12:4
х=3