Question

‐4x+7y=‐13
-2x+8y=‐2
Solve the system of equation

Answer 1

(5,1)

Explanation:

4x + 7•(x /4-1/4) = -13

-9x/4 = -45/4

-9x = -45

Solve equation for the variable x

9x = 45

x = 5

By now we know this much :

x = 5

y = x/4-1/4

Use the x value to solve for y

y = (/4)(5)-1/4 = 1

Answer 2

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

Point Form: (5,1)

Equation Form: x=5,y=1