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22-08-2019
Mathematics

contestada

Solve each equation for the unknown variable

A. 2x + 3 = 23

B. -3[x+9] =30

C. 0.75x - 12.75 = 27

D. 1/2x + 6 = -8

Solve each equation for the unknown variableA 2x 3 23B 3x9 30C 075x 1275 27D 12x 6 8 class=

Respuesta :

22-08-2019

Answer:

A. x=10

B. x=-19

C. x=53

D. x=-1/28

Step-by-step explanation:

A.

2x+3=23

2x=20

x=10

B.

-3(x+9)=30

x+9=-10

x=-19

C.

0.75x-12.75=27

0.75x=39.75

x=53

D.

1/2x+6=-8

1/2x= -14

1=-28x

x=-1/28

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