X-(90-37)=19 , (32+49)-c=16

Question

X-(90-37)=19 , (32+49)-c=16

Answer 1

X-(90-37)=19;
x-53=19;
x=19+53;
x=72.

(32+49)-c=16;
81-c=16;
c=81-16;
c=65.

Answer 2

1)x-(90-37)=19
x-53=19
х=19+53
х=72
2)(32+49)-с=16
81-с=16
-с=16-81
-с=-65
с=65