Question

x/3 + y/4 = 4

5x/6 - y/8 = 4

solve using CROSS MULTIPLICATION

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Answer 1

Answer:

x/3=4-y/4

x=3(4-y)/4

x=12-3Y/4

then if we put the value  of x in equation second

 so

     5(12-3Y)/6*4-y/8=4

60-15y/24 - 4-y/8 =4

then y=8

and x=6

Step-by-step explanation:

Answer 2

Answer:

x=6, y=8

Step-by-step explanation:

To solve these equations by multiplication, we first make one of the variables the subject of the formula, thus;

x = (48 - 3y)/4 and x = (96 + 3y)/20.

We then equate the two equations to each other and then multiply them to obtain;

960 - 60y = 384 + 12y, group the like terms,

960 - 384 = 60y + 12y

576 = 72y, hence

y=8,

Substitute the value of x into any of the equations,

x = [48 - 3(8)]/4

Hence, x=6

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