42+(х+28)=95 35+(х+31)=85

Question

42+(х+28)=95
35+(х+31)=85

Answer 1

1) 42+(x+28)=95
42+x+28=95
x=95-42-28
x=25

2)35+(х+31)=85
35+x+31=85
x=85-35-31
x=19