-3x+5=7x
-3x-7x=-5
-10x=-5
10x=5 /:10
x=0,5
-5x-7-12x=2x
-5x-7=2x+12x
-7=14x+5x
19x=-7 /:19
x=0,4
4x-2x=7x+13
2x-7x=13
-5x=13 /:5
-x=2,6
x=-2,6
-2=4x+8
-2-8=4x
4x=-10 /:4
x=-2,5
2(x+50)=-(2x-5)
2x+100=-2x+5
2x+2x=5-100
4x=-95 /:4
x=-23,75
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-3x+5=7x
-3x-7x=-5
-10x=-5
10x=5 /:10
x=0,5
-5x-7-12x=2x
-5x-7=2x+12x
-7=14x+5x
19x=-7 /:19
x=0,4
4x-2x=7x+13
2x-7x=13
-5x=13 /:5
-x=2,6
x=-2,6
-2=4x+8
-2-8=4x
4x=-10 /:4
x=-2,5
2(x+50)=-(2x-5)
2x+100=-2x+5
2x+2x=5-100
4x=-95 /:4
x=-23,75
Mam nadzieje ze pomoglem <3 licze na najj