SOLUTION: Solve the equasions x+4=-1: 5b=-25: 3x+4=13: 5(x-2)=15: x+8=3(x-4)i tried 4+1=5is it right

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Question 19721: Solve the equasions x+4=-1: 5b=-25: 3x+4=13: 5(x-2)=15: x+8=3(x-4)i tried 4+1=5is it right
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
1) x+4=-1:
x+4-4=-1-4
x=-5
2) 5b=-25:
5b%2F5=-25%2F5
b=-5
3) 3x+4=13:
3x+4-4=13-4
3x=9
3x%2F3=9%2F3
x=3
4) 5(x-2)=15:
5x-10=15
5x-10+10=15+10
5x=25
5x%2F5=25%2F5
x=5
5) x+8=3(x-4)
x+8=3x-12
x+8-x=3x-12-x
8=2x-12
8+12=2x-12+12
20=2x
20%2F2=2x%2F2
10=x
hope you understand all of them
=)