Question

Evaluate 7a+4+5a when a=3

Answer 1

40

Explanation:

STEP 1: Set up the equation, fill in the a with a 3 in parenthesis; 7(3)+4+5(3).

STEP 2: Simplify; 21+4+15

STEP 3: Solve; 40

Answer 2

40

Explanation:

7x3 = 21

5x3 = 15

21 + 4 + 15 = 40