Question

given y = 4, substitute and solve: 7y - 2

Explanation:

Step1: Substitute y = 4 into the expression

We have the expression \(7y - 2\). Substitute \(y = 4\) into it, so we get \(7\times4 - 2\).

Step2: Calculate the multiplication first

According to the order of operations (PEMDAS/BODMAS), we first perform the multiplication. \(7\times4 = 28\). So the expression becomes \(28 - 2\).

Step3: Calculate the subtraction

Now, subtract 2 from 28. \(28 - 2 = 26\).

Answer:

26