Question

решить уравнение (x+19)×5-16=139

Answer 1

x×19=139-16-5
x×19=117
x=117×19
x=2223
_____________________
2223×19=139-16-5

Answer 2

(x+19)×5-16=139(х+19)=139+16-5
х+19=150
х=150-19
х=131