Nas igualdades de pares ordenados, determinar os elementos desconhecidos:

(4x; 18)= (20; 6y)​

22 dimes and 9 nickels

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

noncoplanar points are points that do not lie on the same line.