Question

Solve each system of linear equations by adding or subtracting. 3x + 4y = 15 3x - y = 30 Enter the solution as an ordered pair. The solution is​

Answer 1

( 9, − 3 )

Explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x = 9 and y = − 3