Answered

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(4.8x+15.5)+(2.1x-12.2)

Sagot :

addyspring3
you can drop the parentheses because you cant use them.
 
So we combine like terms first
1.8x + 2.1x = 3.9x

3.9x + 15.5 -12.2

3.9x + 3.3

hope i helped :)
(4.8x+15.5)+(2.1x-12.2)                                                                                       (4.8x+2.1x)+(15.5-12.2)                                                                                              6.9+3.300                                                                                                                                             hope I helped
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