We have,
21:12=x:8
2112=x8
x=112×21×8
x=14
Hence, this is the answer.
216÷357= x12. Find x.
Solve the following equations.
(a) 2 (x + 4) = 12 (b) 3 (n − 5) = 21
(c) 3 (n − 5) = − 21 (d) −4 (2 + x) = 8
(e) 4(2 − x) = 8