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2010-03-07T10:55:34+01:00
A)4x-3=3x+5
4x-3x=5+3
x=8

b)5x+2=7-3x
5x+3x=7-2
8x=5 | /8
x=⅝

c)3(x-1)=0
3x-3=0
3x=0+3
3x=3 | /3
x=1
2010-03-07T10:55:37+01:00
A) 4x-3=3x+5

4x-3 = 3x+5
4x-3x = 5+3
x = 8

b) 5x+2=7-3x

5x+2 = 7-3x
5x+3x = 7-2
8x = 5 / :8
x = 5/8

c) 3(x-1) = 0

3(x-1) = 0
3x-3 = 0
3x = 3 / :3
x = 1
2010-03-07T11:01:31+01:00
A) 4x-3=3x+5

4x-3 = 3x+5
4x-3x = 5+3
x = 8

b) 5x+2=7-3x

5x+2 = 7-3x
5x+3x = 7-2
8x = 5 / :8
x = 5/8

c) 3(x-1) = 0

3(x-1) = 0
3x-3 = 0
3x = 3 / :3
x = 1