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Obliczenia:
3-2(x+2) = -5
3 - 2x - 4 = -5
-1 - 2x = -5
-2x = -5 + 1
-2x = -4 /:(-2)
x = 2
2(x-1)+5 = x
2x - 2 + 5 = x
2x + 3 = x
2x - x = -3
x = -3
2x+4 = x
2x - x = -4
x= -4
3-2(x-2) = -5
3 - 2x + 4 = - 5
7 - 2x = -5
-2x = -5 - 7
-2x = -12
x = 6
