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Strike441 [17]
3 years ago
9

If 3r = 18, what is the value of 6r + 3

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
6 0

Answer:

39

Step-by-step explanation:

In order to solve this you have to fond r.

In 3r=18 you divide the 3 from both sides to isolate the variable.

18÷3=6 so you are left with r=6

So r is 6.

Plug that into 6r+3

6(6)+3

6×6=36

36+3=39

Dmitriy789 [7]3 years ago
3 0

Answer:

39

Step-by-step explanation:

     <em>3r = 18 </em><em>(given in the question)</em>

<em>          r = 18 / 3</em>

<em>           r = 6</em>

<em>substituting r = 6 in the equation we get:</em>

<em>        </em><em>  = 6r + 3</em>

<em>         = 6 (6) + 3   </em><em>(by multiplying 6 (6) u will get 36)</em><em> </em>

<em>         = 36 + 3 = </em><em><u>39</u></em>

                          Hope it helps

                                        All the best!

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