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x+2x= 17-5
3x=12 /:3
x=4
b) 4+2x= -5+3x
4+2x-(-5+3x)=0
2x-(3x-5)+4=0
2x-3x-5+4=0
-1x+9=0
-x=-9 /-1
x=9
c)2x+8=5x-10
2x+8-(5x-10)=0
2x-5x+10+8=0
-3x+18=0
-3x=-18
x=-18 /(-3)
x=6
d) 2x-12=x=12-5x
2x-12-x =0
x-12=0
x=12
e)x=3-(4x)=(8x-5)
x-(3-(4x))=0
x-(-4x+3)=0
x+4x-3=0
5x-3=0
5x=3
x=³/₅
f)2x-(1-4x)=(8x-5)=2
2x-(1-4x)-(( 8x-5))=0
2x-(-4x+1)-((8x-5))=0
2x+4x-((8x-5))-1=0
6x-(8x-5)-1=0
6x-8x+5-1=0
-2x=-4 /:(-2)
x=2
g)0,11x-0,08+0,4x=-0,1x+0,2
0,11x-0,08+0,4x- (-0,1x+0,2)=0
0,51x-(-0,1x+0,2)-0,08=0
0,51x+0,1x-0,2-0,08=0
0,61x-0,28=0
0,61x=0,28
x=0,28 / 0,61