Math, asked by rajdeepray2006, 12 hours ago

(x-6) (2x-a) - (11-2x) (7-x) = 52-4 7(x-2)

Answers

Answered by Sabertron

1

Answer:

x+7y=10; ------------(I)

3x−2y=7 -----------(II)

multiplying (I) with 3

3x+21y=30; ---------(III)

3x−2y=7 ---------------(IV)

Subtracting (IV) from (III) we get

3x+21y−3x+2y=30−7

23y=23

⇒1

Putting the value of y in (IV) we get

3x−2(1)=7

⇒3x=7+2=9

⇒3x=9

⇒x=3

Thus, (x,y)=(3,1)

Previous Question

Next Question

Similar questions

Physics, 6 hours ago

Q.5 A material that can be pressed into a sheat is called O brittle O ductile O lustrous O malleable...

Math, 6 hours ago

please see attachment and give answer...

Chemistry, 6 hours ago

Q6b) Assertion : Oxygen consists of only one type of particle. Reason : Oxygen is a gas. OR Assertion :Iron filings when heated with sulphur powder results in the formation of Iron sulphide. Reason : Iron and sulphur are mixed together in a varying proportion to form Iron sulphide. i) Both Assertion and Reason are true and Reason is the correct explanation of Assertion. ii) Both...

Math, 12 hours ago

2) Find the remainder when x' + 3x² + 3x + 1 is divided by x + 1.

Math, 12 hours ago

(iii) The number of lines of symmetay in a proteractor is. (a) 0 (B 1 (C) 2 (D) More than 2...

English, 8 months ago

The Child who was lost saw many things that distracted his attention from one object to another. What were they?

Science, 8 months ago

fill in the blanks .. Buring of a crackers is a an---- change.

Math, 8 months ago

A bird is sitting on the top of a 60 m high tree. From a point on the ground, the angle of elevation of the bird is 60 degree. The bird flies away horizontally in such a way that it remained at a constant height from the ground. After 2 seconds, the angle of elevation of the bird from the same point is 30 degree. Find the speed of the flying bird.