eclipsestar
eclipsestar
03-05-2015
Mathematics
contestada
8x = 2x + 30
What is the value of 'x'?
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iloveonedirection
iloveonedirection
03-05-2015
[tex]8x=2x+30 \\ \\ (8x)-2x=(2x+30)-2x \\ \\ 6x=30 \\ \\ \frac{6x}{6} = \frac{30}{6} \\ \\ x=5[/tex]
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Аноним
Аноним
03-05-2015
8x = 2x + 30
subtract 2x from both sides.
8x = 20 + 30
-2x -2x
divide both side by 6.
6x = 30
/6 /6
x = 30/6
x = 5
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