Question

Solve the equation by using the method of cross multiplication X+y=75 , x+12y=7

Answer 1

Answer:

x+y=75____(1)×12

x+12y=7____(2)

12x+12y=900

x+12y=7

______

11x=893

x=893/11

from equation (1)

x+y=75

893/11+y=75

y=68/11

Answer 2

Answer:

x=893/11 and y= -68/11

Step-by-step explanation:

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