rozwiązaniem równania ; 2 (x-1) +x = x-3 (2- 3x) = ???????
2(x - 1) + x = x - 3(2 - 3x)
2x - 2 + x = x - 6 + 9x
3x - 2 = 10x - 6
3x - 10x = -6 + 2
-7x = - 4 /:(-7)
x = 4/7
2(x-1)+1=x-3(2-3x)=
2x+2-1=x-6+9x
2x-9x-x=2-6
-7x=-4
x=4/7
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2(x - 1) + x = x - 3(2 - 3x)
2x - 2 + x = x - 6 + 9x
3x - 2 = 10x - 6
3x - 10x = -6 + 2
-7x = - 4 /:(-7)
x = 4/7
2(x-1)+1=x-3(2-3x)=
2x+2-1=x-6+9x
2x-9x-x=2-6
-7x=-4
x=4/7