789-x=27:3 Y*2=91-83 A-36=9*2

Question

789-x=27:3
Y*2=91-83
A-36=9*2

Answer 1

789-x=27:3
789-x=9
x=789-9
x=780

y*2=91-83
y*2=8
y=8:2
y=4

a-36=9*2
а-36=18
а=18+36