Solve the following 3 × 3 system. Enter the coordinates of the solution below. 2x – 3y – 2z = 4
x + 3y + 2z = –7
–4x – 4y – 2z = 10

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Write an algebraic expression for the word expression the quotient of c and 8