Question

Evaluate 2d+3 when d = 8

Answer 1

Answer:

value of $2d+3$ when d=8 is 19.

Step-by-step explanation:

Given the expression:  $2d+3$          ....[1]

Here, d is the variable.

when d = 8

Substitution property of equality states that:

if x =y  then x can be substituted in y in any equation and y can be substituted in x.

Substitute d= 8 in [1]  we have;

$2(8)+3$

⇒$16+3$

⇒19

Therefore, the value of $2d+3$ when d=8 is 19

Answer 2

2d+3
2(8)+3
Multiply 2 and 8
16+3
19
So the answer is 19