Solve a linear equation

Mathematics
Tutor: None Selected Time limit: 1 Day

1) 3(2p-4)=15

2)6(3x+2)-10=-4

3)4(w-5)-3w=2

4)-5y+2(2y+1)=2(5y-1)-7

5)5-(6k+1)=2[(5k-3)-(k-2)]

Jan 30th, 2015

1) 3(2p-4)=15  open the brackets 6p -12=15 hence 6p=15+12  so 6p/6=27/6 hence p=4.5

2) 6(3x+2)-10=-4 open  brackets 18x+12-10=-4 hence 18x+2=-4 so 18x=-2 hence x=-0.11 OR -1/9


Jan 30th, 2015

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