1) (39+Х)-27=22
39 + x = 22 + 27;
x = 49 - 39;
x = 10;
2) 44-(22+Х)=22
22 + x = 44 - 22;
x = 22 - 22;
x = 0;
3) 78-16-Х=41
x = 78 - 16 - 41;
x = 21;
1) (39+Х)-27=22
39 + x = 22 + 27;
x = 49 - 39;
x = 10;
2) 44-(22+Х)=22
22 + x = 44 - 22;
x = 22 - 22;
x = 0;
3) 78-16-Х=41
x = 78 - 16 - 41;
x = 21;
39+х -27=22
х= 22+27 -39
х= 10
2) 44-(22+х)=22
44 -22 -х=22
-х= 22+22-44
х=0
3) 78 -16 -х=41
-х= 41+16 -78
-х= -21
х=21.