Question

Multiply 5x^3y^5 by -2xy

Answer 1

Answer:

x=4, y=5

Step-by-step explanation:

The equations are

⇒5x+3y−35=0

⇒2x+4y−28=0

By cross multiplication

⇒

[3×(−28)−4×(−35)]

x

=

[−35×2−(−28)×5]

y

=

[5×4−2×3]

1

⇒

−84+140

x

=

−70+140

y

=

20−6

1

⇒

56

x

=

70

y

=

14

1

⇒

56

x

=

14

1

⇒14x=56⇒x=4

⇒

70

y

=

14

1

⇒14y=70⇒y=5

⇒x=4,y=5