s9014939 s9014939

16-04-2020
Mathematics

contestada

Which expression is equivalent to (3x + 6) + 4x?
A)3x+10
B)7x+6
C)12x+6
D)13x

Respuesta :

emilee48 emilee48

16-04-2020

A)3x+10 or B)7x+6
Explanation:
(3x + 6) + 4x= 13x
A:3x+10=13x
B:7x+6=13x

It’s not C because 12x+6=18x.
It’s not D because although 13x is the answer to the expression, it’s not an expression.

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