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

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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step-by-step explanation: