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Marizza181 [45]
3 years ago
7

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

Mathematics
2 answers:
Tpy6a [65]3 years ago
8 0
By simplifying both sides of the equation then isolating the variable
Aleks [24]3 years ago
8 0
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
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