Question

5(8х+3)-12=83
помогите решить
3(4х+13)-25=74

Answer 1

5(8х+3)-12=83
40х+15-12=83
40х=83+12-15
40х=80
х=80/40
х=2

3(4х+13)-25=74
12х+39-25=74
12х=74+25-39
12х=60
х=60/12
х=5