Question

Jon has to choose which variable to solve for in order to be able to do the problem below in the most efficient manner. 6 x + 3 y = 27. 5 x + 2 y = 21. Which variable should he choose so that he can use substitution to solve the system?

Answer 1

Answer:

He could choose any of the variable because in order to solve a linear equation one of the two variables should be equal. He can multiply the any of the equation with corresponding numbers and can equal the equation to substitute them.

Step-by-step explanation:

Answer 2

Answer:

Your answer is A

Step-by-step explanation: