Pomocy :) !!! Rozwiązcie a) -7- 5 x + 1 b) 5 - 10 x = - 2 x
a)
-7-5x+1
5x= -1+7
5x= 6 / :5
x= 1,2
b)
5-10x=-2x
-10x+2x = -5
-8x = -5 / :(-8)
x= 0,625
a) -7- 5 x + 1 = 0
-5x = -1+7
-5x = 6 /:(-5
x = - 6/5
x = - 1 1/5
b) 5 - 10 x = - 2 x
-10x + 2x = -5
-8x = -5 /:(-8
x = 5/8
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a)
-7-5x+1
5x= -1+7
5x= 6 / :5
x= 1,2
b)
5-10x=-2x
-10x+2x = -5
-8x = -5 / :(-8)
x= 0,625
a) -7- 5 x + 1 = 0
-5x = -1+7
-5x = 6 /:(-5
x = - 6/5
x = - 1 1/5
b) 5 - 10 x = - 2 x
-10x + 2x = -5
-8x = -5 /:(-8
x = 5/8