Kadderley
Kadderley
26-01-2017
Mathematics
contestada
Linear equations 3(x+1)=3x+3
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Аноним
Аноним
03-02-2017
4x + 2 - 3x + 5 - 2(x + 5) = (2x - 5) + (3x + 4)
4x + 2 - 3x + 5 - 2x - 10 = 2x - 5 + 3x + 4
4x - 3x - 2x + 5 + 2 - 10 = 2x + 3x - 5 + 4
- x - 3 = 5x - 1
-x - 3 = 5x - 1 is the line above recopied
+x = +x
-3 = 6x - 1
+1 = + 1
- 2 = 6x
- 2/6 = 6x/6
- 1/3 = x, the answer
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