Question

Correct luate the expression when b=7 and c=-2. -3c+b 13

Answer 1

The expression -3c+b evaluates to 13 when substituting b=7 and c=-2.

Step-by-step explanation:

The student has asked to evaluate the expression when b=7 and c=-2. The expression given is -3c+b. To solve the expression, we need to substitute the values of b and c into the expression.

First, substitute c = -2 into -3c:

• -3(-2) = 6

Then, add the result to b, which is 7:

• 6 + 7 = 13

To evaluate the expression -3c+b when b = 7 and c = -2:

Substitute the given values into the expression:

-3(-2)+7

Simplify the expression:

6+7

The final value of the expression is 13.