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Chapter 2: Q49. (page 95)

If 13y+25=64, what is the value of 4y鈭�7?

Short Answer

Expert verified

The required value is 5.

Step by step solution

01

Step 1. Isolate the variable.

13y+25=6413y=64鈭�2513y=39

02

Step 2. Solve for y.

y=3913y=3

Hence, the value of y=3.

03

Step 3. Put the value of y into the given expression.

Put y=3into 4y鈭�7.

4(3)鈭�7=12鈭�7=5

The value of the expression is 5.

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