Question

1. 540/x=60-54
2. z*(36-24)=12
3. (29+d)-27=58

Answer 1

1) 540:х=60-54
540:х=6
х=6*540
х=3240
2) z*(36-24)=12
z*12=12
z=12:12
z=1
3) (29+d)-27=58
29+d=58+27
29+d=85
d=85-29
d=56