Question

Evaluate the following expression: 5+7(3x+y) when x=12, y=8

Answer 1

Answer:

The answer is 313.

Step-by-step explanation:

You have to substitite the values of x and y into the expressions :

$5 + 7(3x + y)$

$let \: x = 12,y = 8$

$5 + 7(3 \times 12 + 8)$

$= 5 + 7(36 + 8)$

$= 5 + 7(44)$

$= 5 + 308$

$= 313$

Answer 2

First step is 5+7(36x+8y) because you have to distribute