Question

PROBLEM 1

Solve the following system of equations.
-5x + 4y = 3
x = 2y – 15
What’s the answer

Answer 1

x=9, y=12

Explanation:

Plug in 2y-15 where x appears in 5x+4y=3 and solve for y. Next plug in the value of y that you just found where y appears in x=2y-15 and solve for x.

Answer 2

x=9 y= 12

Explanation:

solve for the first variable in one equations, then subtitution the result into the other equation