Question

IF 2X +Y -5=0 AND 3X +2Y-8=0 THEN FIND THE VALUE OF X+Y

Answer 1

Answer:

3

Step-by-step explanation:

3X+2Y=8

2X+Y=5

now subtracting 2nd equation from 1st we get

X+Y=3

Answer 2

SOLUTION

GIVEN

2x + y - 5= 0 and 3x + 2y - 8 = 0

TO DETERMINE

The value of x + y

EVALUATION

Here the given system of equations are

2x + y - 5= 0 - - - - - (1)

3x + 2y - 8 = 0 - - - - (2)

Multiplying Equation 1 by 2 we get

4x + 2y - 10 = 0 - - - - - (3)

Equation 3 - Equation 2 gives

x - 2 = 0

⇒ x = 2

From Equation 1 Putting the values of x we get

( 2 × 2 ) + y - 5 = 0

⇒ 4 + y - 5 = 0

⇒ y - 1 = 0

⇒ y = 1

So x = 2 & y = 1

∴ x + y = 2 + 1 = 3

FINAL ANSWER

Hence the required value of x + y = 3

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