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8x – 8 = 7x + 4 x = 12 How do they get 12?
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4 votes
8x – 8 = 7x + 4
x = 12

How do they get 12?

User LordHits
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2 Answers

5 votes
By simplifying both sides of the equation then isolating the variable
User Gianfra
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4.9k points
4 votes
8x-8=7x+4
-7x -7x

x-8=4
+8 +8

x= 12

you put the like variables together and then try to isolate the variable
User Jared Thirsk
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5.9k points
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