Question

Afla valoarea lui x pentru egalitatile: 90:(6+x)=10; 42:(12-x)=6

Answer 1

90 : (6+x) = 10
6+x = 90:10
6+x=9
x=9-6
x=3

42:(12-x)=6
12-x=42:6
12-x=7
x=12-7
x=5

Answer 2

90 : (6+x) = 10
6+x = 90:10
6+x=9
x=9-6
x=3

42:(12-x)=6
12-x=42:6
12-x=7
x=12-7
x=5