Amanda833
Amanda833 Amanda833
  • 02-11-2018
  • Mathematics
contestada

Solve these equations

Solve these equations class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-11-2018

-1/8d -4 = -3/8

multiply by 8

-d -32 = -3

add 32 to each side

-d=29

divide by -1

d=-29


-1/4 m + 5 =16

subtract 5 from each side

-1/4 m = 11

multiply by -4

m = -44


10b +-45 = -43

add 45 to each side

10b =2

divide by 10

b = 2/10

b = 1/5


-8(y-1.25) = 4

divide by -8

y - 1.25 = -4/8

y -1.25 = -.5

add 1.25 to each side

y = .75


3.2(s+10) = 32

divide by 3.2

s+10 = 32/3.2

s+10 =10

subtract 10 from each side

s=0

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