Seudónimo
Seudónimo
25-01-2017
Mathematics
contestada
I need help on 12 and 13
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troll2263
troll2263
25-01-2017
they are not equivalent
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YoungStudier
YoungStudier
25-01-2017
12) 7 + 7x
7(x + 1/7)
For the second equation, use the distributive property.
7x + 7 * 1/7
7x + 1
7 + 7x and 7(x + 1/7) are not equivalent expressions.
13) 2.5(3 + x)
2.5x + 7.5
Again, use the distributive property for the first equation
2.5x + 2.5*3
2.5x + 7.5
2.5(3 + x) and 2.5x + 7.5 are equivalent expressions.
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