3X+4Y=363X+4Y=36. If X=2X= 2. what is Y?

Answer: The value of YY is 7.57.5.

Step-by-step solution

Step 1: Substitute the value of X

We are given the equation 3X+4Y=363X + 4Y = 36 and the value X=2X = 2. To find YY, we substitute the value of XX into the equation.

Step 2: Simplify the equation

After substituting X=2X=2, we multiply 33 by 22 to simplify the equation. This gives us 6+4Y=366 + 4Y = 36.

Step 3: Isolate the term with Y

To isolate the term containing YY, we subtract 66 from both sides of the equation. This moves the constant term to the right side.

Step 4: Calculate the value

Now, we perform the subtraction on the right side of the equation: 36−6=3036 - 6 = 30. So, the equation becomes 4Y=304Y = 30.

Step 5: Solve for Y

To find the value of YY, we divide both sides of the equation by 44. This isolates YY and gives us its numerical value.

Step 6: Simplify the fraction

Finally, we simplify the fraction 304\frac{30}{4}. Both the numerator and denominator can be divided by 22, resulting in 152\frac{15}{2}, which is 7.57.5.

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