Question

9=x+17

-5=y-8

a-10=-13

6x=84

x:7=77

-3x=27

Answer 1

 
 

9=x+17 ==> x = 9 - 17 ==> x = - 8

-5=y-8 ==>y = - 5 + 8 ==> y = 3

a-10=-13 ==> a = - 13 + 10 ==> a = 3

6x=84==> x = 84/4 ==> x = 21

x=77 ==> x = 7.77==> x = 539
7

-3x=27(-1)==> 3x = - 27 ==> x = - 27/3 ==> x = - 9