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sattari [20]
3 years ago
6

What is 2x plus 21 divided by 2 equals x plus 7?

Mathematics
2 answers:
AlexFokin [52]3 years ago
7 0
ANSWER: x=-7/2

Solution:

2x+21/2=x+7

x+21/2=7

x=7-21/2

x=-7/2
Anna71 [15]3 years ago
5 0

Answer:

-3.5

Step-by-step explanation:

2x+21/2=x+7

2x + 10.5 = x + 7

-x               -x

x + 10.5 = 7

      -10.5   -10.5

x = -3.5

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