A) x+(1200-900)=1500 b) (50*30):y=15 d) c:(1200:2)=3

Question

A) x+(1200-900)=1500
b) (50*30):y=15
d) c:(1200:2)=3

Answer 1

1)х=1200-900=300,1500-300=1200,1200+(1200-900)=1500