cheergirl1011 cheergirl1011

13-09-2019
Mathematics

contestada

106=3x-54 and -7(4-2)+1=15-7x I don’t understand these 2 need help ASAP

1063x54 and 7421157x I dont understand these 2 need help ASAP class=

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emilyapac13 emilyapac13

13-09-2019

-7(4-2)+1=15-7x
-7 x 2 + 1 = 15 - 7x
-14 + 1 = 15 -7x
-13 -15= -7x
-28 = -7x
-28 / -7 = x
x=4

3x - 54 = 160 >I just flipped the equation
3x - 54 (+54) = 160 (+54) added 54 each
3x = 160
3x/3 = 160/3 >divided 3 to each side
x = 160/30
or 53.33333333333333333~

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