Question

Calculați:
-3 la puterea 3-x=12
-2•(x+4)=36
-3x-5=4
-6-4+x-2=8
-x+(8-6)=12
-2x=18
Dau coroana!!!

Answer 1

27-x=12 2x+8=36
x= 12+27. 2x=36-8
x= 39 2x= 28
x= 14
3x-5=4
3x= 5+4.
3x=9
x=3

6-4+x-2=8
x= -6+4-2+8
x=4
x+(8-6)=12
x+2=12
x=12-2 =10

2x=18
x= 9