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2010-02-20T16:59:23+01:00
2(x-3)+10 = -3(4-2x)+1
2x-6+10=-12+6x+1
2x-6x=-12+1+6-10
-4x=-15
x=15/4 = 3¾
2010-02-20T16:59:24+01:00
2(x-3)+10 = -3(4-2x)+1
2x-6+10 = -12 +6x +1
2x - 6x=-12+1+6-10
-4x=-15 /: (-4)
x= 15/4
x= 3 3/4 lub 3,75
1 5 1
2010-02-20T17:01:50+01:00
2(x-3)+10 = -3(4-2x)+1
2x-6+10 = -12 +6x+1
2x-6x= -12 +1+6-10
-4x = -15 / :(-4)
x= 3,75