rozwiąż równanie :
-9 (2+x) -3x+8 = -2(4x+5)
-9 (2+x) -3x + 8 = -2(4x+5)
-18 - 9x -3x + 8 = -8x - 10
-12x - 10 = -8x - 10 |+8x
-4x - 10 = -10 |+10
-4x = 0 |:(-4)
x = 0
to się równa
-18+-9x-3x+8=-8x+5
-18-9x-3x+8=-8x+5
-9x-3x+8x=5+18-8
-4x=15/-4
x=-3,75
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-9 (2+x) -3x + 8 = -2(4x+5)
-18 - 9x -3x + 8 = -8x - 10
-12x - 10 = -8x - 10 |+8x
-4x - 10 = -10 |+10
-4x = 0 |:(-4)
x = 0
to się równa
-18+-9x-3x+8=-8x+5
-18-9x-3x+8=-8x+5
-9x-3x+8x=5+18-8
-4x=15/-4
x=-3,75