Question

Verity the consistency of following equation.

2X + 2Y = -2 , X + Y = -1, 3X + 5 Y = -5​

Answer 1

Answer:

X = 0 , Y = -1

Step-by-step explanation:

SOLUTION:

{2X + 2Y = -2} = {X + Y = -1}

Equation 1 = Equation 2

Equation 3 : 3X + 5Y = -5

Solution:

Multiply Equation 2 with 3 than

3X + 3Y = -3

Than subtract Equation 2 from Equation 3 :

3X + 5Y = -5

-3X - 3Y = +3

2Y = -2

Y = -1

On Putting value of Y in any Equation we get value of X:

X = 0.