Question

(ii) ry+ 3xyx[(2x + 7y)]- 5x²y2 simplify the following​

Answer 1

Answer:

The given system of equations is

2x+7y−5=0

−3x+8y=−11

For the cross multiplication method, we write the coefficients as

Hence, we get

(7)(11)−(8)(−5)

x

=

(−5)(−3)−(2)(11)

y

=

(2)(8)−(−3)(7)

1

That is,

117

x

=

−7

y

=

37

1

. i.e., x=

37

117

,y=−

37

7

.

Hence, the solution is (

37

117

,−

37

7

).

Answer 2

Answer:

exercise 14.2 question 12345