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3 years ago

12x + 4y = 152 32x + 12y = 420 what is y?

Mathematics

1 answer:

vichka [17]3 years ago

7 0

Answer:

the value of x = 9 and y =11.

Given the system of equation:

12x + 4y =152 .......[1]

32x + 12y = 420 ......[2]

Multiply equation [1] by 3 we get;

Using distributive property:

......[3]

On solving equation [2] and [3] simultaneously we get;

x = 9

Substitute the value of x= 9 in [1] to solve for y;

108 + 4y = 152

Subtract 108 from both sides we have;

108 + 4y -108 = 152- 108

Simplify:

4y = 44

Divide both sides by 4 we get;

Simplify:

y= 11

therefore, the value of x = 9 and y =11.

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