Question

Which algebraic expression is equivalent to the expression below?

Answer 1

Step-by-step explanation:

7(4x + 9) - 4

= (7 × 4x) + (7 × 9) - 4

= 28x + 63 - 4

= 28x + 59

So, 7(4x + 9) - 4 is equivalent to 28x + 59 (D)

Hope it helpful and useful :)

Answer 2

Answer:

The answer is D

Step-by-step explanation:

Firstly, you have to get rid of brackets by expanding :

$7(4x + 9) - 4$

$= 7(4x) + 7(9) - 4$

$= 28x + 63 - 4$

Next you have to simplify :

$28x + 63 - 4$

$= 28x + 59$