Thursday, May 14, 2009

Ok...how'd you do? Here are solutions to yesterdays 3 problems.

1. 3(x-5) + 17 = 2(4x+2) - 12
3x - 15 + 17 = 8x + 4 - 12
3x + 2 = 8x - 8
10 = 5x
2 = x

2. 6(2x+1) = 4x+30
12x + 6 = 4x + 30
8x = 24
x = 3

3. 7x-5 = 10x+22
-27 = 3x
-9 = x

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