Math, asked by MeghnaJha, 22 hours ago

What is the sum of 2x+5+3y and 6x-7y+4

Answers

Answered by Hadiya6430
0

Step-by-step explanation:

=2x+5+3y+6x+−7y+4

Combine Like Terms:

=2x+5+3y+6x+−7y+4

=(2x+6x)+(3y+−7y)+(5+4)

=8x+−4y+9

Answer:

=8x−4y+9

Answered by devadathanvraj06
1

Answer:

Disclaimer: There is error in the Q. In (II) there should have been 2x - 3y = 12

5x + 3y = 9 -----(I)

2x - 3y = 12 ----- (II)

Add (I) and (II)

7x = 21

x = 3

Putting the value of x = 3 in (I) we get

5(3)+3y=9⇒15+3y=9⇒3y=9-15=-6⇒y=-2

Thus, (x, y) = (3, -6).

Step-by-step explanation:

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