Będzie naj:)
7 - 4 + 2x = 5x + 6
2x - 5x = 6 + 4 - 7
-3x = 3
x = 3 : (-3)
x = -1
7-4+2x=5x+6
3+2x=5x+6 /-2x
3=3x+6 /-6
-3=3x /:3
x=-1
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7 - 4 + 2x = 5x + 6
2x - 5x = 6 + 4 - 7
-3x = 3
x = 3 : (-3)
x = -1
7-4+2x=5x+6
3+2x=5x+6 /-2x
3=3x+6 /-6
-3=3x /:3
x=-1