x+y=4⋯(1) x y=2⋯(2) (1)+(2) 2x=6 x=3 3 y=4 y= 1 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Method of Substitution to Find the Solution of a Pair of Linear Equations

solve: x-y=...

Question

solve: $x - y = 4 x + y = 2$

Open in App

Solution

$x + y = 4 \dots (1) x - y = 2 \dots (2) (1) + (2) 2 x = 6 x = 3 3 - y = 4 y = - 1$

Suggest Corrections

Similar questions

3 x + 2 y = 13 4 x - y = 10

x

y

4 x = 17 - \frac{x - y}{8}

2 y + x = 2 + \frac{5 y + 2}{3}

x^{2} + y^{2} - 4 x - 4 y + 8 = 0

x^{2} y^{2} + 400 = 41 x y, y^{2} = 5 x y - 4 x^{2}

(x, y)

4 x^{3} + 3 x^{2} y + y^{3} = 8

2 x^{3} - 2 x^{2} y + x y^{2} = 1

Join BYJU'S Learning Program

Related Videos

Algebraic Solution

MATHEMATICS

Watch in App

Explore more

Join BYJU'S Learning Program