Rozwiąż równania A) -2x+3-x+4x=9 B)3x-5+2x=10
a)
-2x+3-x+4x=9
x+3=9
x=6
b)
3x-5+2x=10
5x-5=10
5x=15
x=3
a). -2x + 3 - x + 4x = 9
- 2x - x + 4x = 9 - 3
x = 6
b). 3x - 5 + 2x = 10
3x + 2x = 10 + 5
5 x = 15 / :5
x = 3
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a)
-2x+3-x+4x=9
x+3=9
x=6
b)
3x-5+2x=10
5x-5=10
5x=15
x=3
a). -2x + 3 - x + 4x = 9
- 2x - x + 4x = 9 - 3
x = 6
b). 3x - 5 + 2x = 10
3x + 2x = 10 + 5
5 x = 15 / :5
x = 3