lesliece lesliece

01-02-2021
Mathematics

contestada

can anyone answer 12+5x-18x+9 please show work

Respuesta :

Аноним Аноним

01-02-2021

Answer:

-13x + 21

Step-by-step explanation:

12+5x-18x+9

Like terms: 5x, -18x and 12, 9

Add like terms: 5x + -18x = -13x, 12 + 9 = 21

12 + 5x - 18x + 9 = -13x + 21

I hope this helps :D

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philippe95 philippe95

01-02-2021

12 -13x +9=0
-13x=-12-9
-13x=-21
13x=21
X=21/13

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