2 years ago

For the equation 3(7+x)=3x+k, what value of k will create an equation with infinitely many solutions?

Mathematics

1 answer:

Mila [183]2 years ago

5 0

Answer: k = 21

Step-by-step explanation:

3(7 + x) = 3x + k

21 + 3x = 3x + k

21 + 3x - 3x = 3x + k - 3x

k = 21

You might be interested in

7−5p+3q when p=1p=1 and q=7q=7

shutvik [7]

Answer:

Step-by-step explanation: Substitute 1 for p & 7 for q

7 − 5p + 3q

7 - 5(1) + 3(7)

7 - 5 + 21

7 + 16

Hope this helps you!!! :)

4 0

3 years ago

Read 2 more answers

Ribbon is only sold by the spool. A spool contains 25 yards of ribbon. Shannon needs 58 yards of ribbon to wrap all the presents

ella [17]

Answer:

$\boxed{\text{3 spools}}$

Step-by-step explanation:

$\text{1 spool =25 yd}\\\text{Spools needed } = \text{58 yd} \times \dfrac{\text{1 spool}}{\text{25 yd}} = \text{2.32 spools}\\\\\text{However, Shannon can't buy part of a spool. She must $\textbf{round up}$ to the next integer.}\\\text{Shannon must buy $\boxed{\textbf{3 spools}}$ of ribbon}$