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Andrews [41]
3 years ago
10

I need help on 12 and 13

Mathematics
2 answers:
goblinko [34]3 years ago
8 0
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.
Reil [10]3 years ago
3 0
They are not equivalent

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