zandrahern zandrahern

10-09-2018
Mathematics

contestada

8(x + 1) - 3(x + 4) = 7(2 - x)

Respuesta :

kendra715 kendra715

10-09-2018

8(x+1) - 3(x+4) = 7(2-x)
8x +8 - 3x + 12 = 14 - 7x
5x + 20 = 14-7x
Subtract 5x from both sides
20=14 - 12x
Subtract 14 from both sides
6 = -12x
Divide each side by -12
-.5 =x

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cmoreno511 cmoreno511

10-09-2018

8(x + 1) - 3(x + 4) = 7(2 - x) 8x+8-3x-12=14-7x 8x-3x+7x=14-8+12 12x=18 X= 18÷12 X=1.5

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