Rozwiąż równania:1.30=x+x-6+2x2.100=x+x+199+3(x-10)
1.30=x+x-6+2x
30 = 4x -6 / +6
24 = 4x / :4
6 = x2.100=x+x+199+3(x-10)
100 = 2x + 199 + 3x - 30
100 = 5x + 169 / - 169
-69 = 5x / :5
-13,8 = x
-x-x-2x=-6-30
-4x=-36 /:-4
x= 9
2.100=x+x+199+3(x-10)
100=x+x+199+3x-30
-x-x-3x=-199+30-100
-5x=129 /:-5
x= -25,8
proszę:D
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1.30=x+x-6+2x
30 = 4x -6 / +6
24 = 4x / :4
6 = x
2.100=x+x+199+3(x-10)
100 = 2x + 199 + 3x - 30
100 = 5x + 169 / - 169
-69 = 5x / :5
-13,8 = x
1.30=x+x-6+2x
-x-x-2x=-6-30
-4x=-36 /:-4
x= 9
2.100=x+x+199+3(x-10)
100=x+x+199+3x-30
-x-x-3x=-199+30-100
-5x=129 /:-5
x= -25,8
proszę:D