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.

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**

which ones had no solution?

Problems 5 and 6

oh okay... thank you

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