gloverfamily199
gloverfamily199 gloverfamily199
  • 13-10-2017
  • Mathematics
contestada

1. -5x - 6 = 1
2. 12d + 2 - 3d = 5
3. 0.25x + 7 = 12
4. 7.4p - 9.2p = -2.6 + 5.3

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survivalyosh
survivalyosh survivalyosh
  • 13-10-2017
1.
-5x - 6 = 1
-5x = 7
x = 7/-5

2.
12d + 2 - 3d = 5
9d + 2 = 5
9d = 3
d = 1/3

3.
0.25x + 7 = 12
0.25x = 5
x = 20

4.
7.4p - 9.2p = -2.6 + 5.3
-1.8p = 2.7
p = -1.5

Hope this helps! :)


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