rozwiąż równania a) 4x-18=3x+82 b) -2x+13=-4x-17
a) 4x-18=3x+82
4x- 3x = 82+18
x= 100
b) -2x+13=-4x-17
-2x+4x= -17 - 13
2x = - 30 | : 2
x= -15
Liczę na naj. ;)
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a) 4x-18=3x+82
4x- 3x = 82+18
x= 100
b) -2x+13=-4x-17
-2x+4x= -17 - 13
2x = - 30 | : 2
x= -15
Liczę na naj. ;)