Respuesta :

Answer:

-10.099009901

Step-by-step explanation:

X+100+(X+12)=180

multiply the numbers in (  ) by 100 to get

X+100X+1200=180

add the x to the 100x

101X+1200=180

       -1200   -1200

subtract 1200 from both sides

101x=-1020

divided

-1020/101

X=-10.099009901

Lizzyrayeross
X+100+(x+12)=180
2x+112=180
-112=-112
2x= 68
2/2 =68/2
X= 34

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