1. 2x-3 - (x-4)=1
____
4
2. x-3 + x-1=2 - x+2
___ ___ ___
2 4 8
3. 3x-1=x-4
____ ___
5 2
1.
/*4
2x-3-4x+16=4
-2x=4-16+3
-2x=-9 /:(-2)
x=4 1/2
2.
/*8
4x-12+2x-2=2-x+2
7x=2+2+2+12
7x=18 /:7
x= 2 4/7
3.
/*10
6x-2=5x-20
x=-18
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1.
/*4
2x-3-4x+16=4
-2x=4-16+3
-2x=-9 /:(-2)
x=4 1/2
2.
/*8
4x-12+2x-2=2-x+2
7x=2+2+2+12
7x=18 /:7
x= 2 4/7
3.
/*10
6x-2=5x-20
x=-18