Download App

Linear Equations in Two Variables — Maths STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9MathsLinear Equations in Two Variables2 Marks
Question
Solve the following simultaneous equations $:2x + y = -2 ; 3x – y = 7$
✓

Answer

$ 2 x+y=-2$
$3 x-y=7$
Adding (I) and (II)
$5 x=5$
$\Rightarrow x=1 $
Putting the value of $x$ in (I)
$ 2 \times 1+y=-2$
$\Rightarrow 2+y=-2$
$\Rightarrow y=-4 $

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Mark Question" from Linear Equations in Two Variables→Linear Equations in Two Variables — all question types→Maths STD 9 question papers→Maharashtra Board STD 9 question papers→Maharashtra Board question paper generator→

Similar questions

Factorise:
$x^2-21 x+90$
→
Check the following are the solution of the equation 5x - 4y = 20.
(0, -5)
→
Define the following terms:
Line segment.
→
Express the following equation in the form ax + by + c = 0 and indicate the values of a, b, c in case.
x + y = 4
→
It is convenient to do the above experiment between 11:30 am and 1:30 pm instead of doing it in the morning at 8’O clock. Can you tell why?
→
Find the radius of a sphere if its volume is 904.32 cubic cm. (π = 3.14)
Given: Volume of sphere = 904.32 cubic cm.
To find: Radius of a sphere
→
Check the following are solutions of the equation 2x - y = 6 and which are not:
(0, 6)
→
In a parallelogram ABCD, write the sum of angles A and B.
→
If $\frac{a}{b}=\frac{7}{3}$, then find the values of the following ratios : $\frac{2 a^2+3 b^2}{2 a^2-3 b^2}$
→
Find the surface areas and volumes of spheres of the following radii : $3.5 cm(\pi=3.14)$
 
→