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suter [353]
3 years ago
13

Find the value of 7w+7 given that 3w-8=7. Simplify your answer as much as possible.

Mathematics
2 answers:
Tcecarenko [31]3 years ago
3 0
So,we have to work with the equation 3w-8= 7

We move eight to the other side as a positive number

3w= 8+7

3w=15

Divide both sides by three to get the value of w

15/3 = 5

Therefore, w is equal to five


Now that we have the value of w, we substitute it into 7w+7

7(5)+7

35+7= 42

Therefore the value of 7w+7 is 42
geniusboy [140]3 years ago
3 0

Answer:

42

Step-by-step explanation:

3w-8=7

   +8  +8

\frac{3w}{3}=\frac{15}{3}

w=5

7w+7

7(5)+7

35+7

42

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