Question

Evaluate (a - 8) + 5 x 3 for a = 12.

Answer 1

The correct answer is 19

Explanation:

It is given that an expression,

(a - 8) + 5 x 3

To find the value of expression when a = 12

The given expression is (a - 8) + 5 x 3

For a = 12 then the expression becomes,

(12 - 8) + (5 x 3) = 4 + (5 x 3) = 4 + 15 = 19

Therefore the final value of given expression when a = 12 is 19

The correct answer is 19

Answer 2

19

EXPLANATION

The given expression is

`(a - 8) + 5 * 3`

Substitute a=12 into the expression to obtain:

`(12 - 8) + 5 * 3`

Simplify the parenthesis,

`4 + 5 * 3`

Multiply,

`4 + 15`

Add:

`19`

Don't forget to use PEDMAS after substitution.