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2b-5=8b+1, 8x-2=3x+12.25, -17-2x=6-x, 2(x+4)=3(x-2), 6(x+7)-20=6x, -2(x+2)=-2x+1
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1.
2b-5=8b+1
2b-5+5=8b+1+5
2b=8b+6
2b-8b=8b-8b+6
-6b=6
b=-1
2.
8x-2=3x+12.25
8x-3x=12.25+2
5x= 14.25
x=14.25/5
x=2.85
3.
-17-6=-x+2x
-23=x
x=-23
4.
2(x+4)=3(x-2)
2x+8=3x-6
6+8=3x-2x
14=x
x=14
5.
6(x+7)-20=6x
6x+42-20 =6x
6x+22=6x
6x-6x=-22
0=-22
Therefore this is invalid, and there is no solution.
6.
-2(x+2)=-2x+1
-2x-4=-2x+1
-2x+2x=4+1
0=5
We arrive at the same problem as number five, there is no solution.
**Make sure you wrote numbers 5, 6 correctly**
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