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lerinmarie
23.06.2019 •
Mathematics
What is the solution to this system of linear equations? y-x = 6y + x = -10(-2,-8)(-8, -2)(6, -10)(-10,6)
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Ответ:
Option B is correct.
Step-by-step explanation:
We need to solve the system of linear equations and find the value of x and y.
y - x = 6 eq(1)
y + x = -10 eq(2)
Adding eq(1) and eq(2)
y - x = 6
y + x = -10
2y = -4
y = -4/2
y = -2
Putting value of y in equation 1
y - x = 6
-2 - x = 6
-x = 6+2
-x = 8
=> x = -8
So, value of x = -8 and value of y = -2
So, Solution set = (-8, -2)
Option B is correct.
Ответ:
The correct answer is second option (-8, -2)
Step-by-step explanation:
It is given that,
y - x = 6 (1)
y + x = -10 (2)
y + x = -10 (2)
Step 1: Add eq(1) and eq(2)
y - x = 6 (1)
y + x = -10 (2)
2y + 0 = -4
y = -4/2 = -2
Step 2: Substitute the value of y in eq (2)
y + x = -10 (2)
-2 + x = -10
x = -10 + 2 = -8
The value of x = -8 and y = -2
The correct answer is second option (-8, -2)
Ответ:
50
Step-by-step explanation:
its on already