unicornlover554 unicornlover554

09-05-2016
Mathematics

contestada

Which algebraic expression is equivalent to the expression below?

7(5x + 3) + 3(12 - x)

A.
32x + 57
B.
32x + 15
C.
32x - 57
D.
38x + 57

Respuesta :

Аноним Аноним

09-05-2016

Simple....

you have 7(5x+3)+3(12-x)....

just take them apart....

7(5x+3)

distribute the 7...

7*5x=35x
and
7*3=21

Now, the other part...

3(12-x)

Distribute the 3...

3*12=36
and
3*-x=-3x

Now, add what you have found....

35x+21+36-3x

32x+57

Thus, your answer, A.

Answer Link

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