Share
‐4x+7y=‐13 -2x+8y=‐2 Solve the system of equation
Question
‐4x+7y=‐13
-2x+8y=‐2
Solve the system of equation
in progress
0
Mathematics
3 years
2021-07-26T13:43:43+00:00
2021-07-26T13:43:43+00:00 2 Answers
12 views
0
Answers ( )
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
Answer:
(5,1)
Step-by-step 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