4. Розв'яжіть лінійне рівняння
-3x = -21
1.-7
2.не має коренів
3.7
4.63​

Which is a graph of a proportional relationship?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$