math
posted by Nate .
1. x3
7x3x = 4 x 6 turns into +6 so 4x=12 x=3
2. 13=513+3x 13=8 +3x 21 = 3x x=7
3. x+x+x+3x+26 = 31 6x 4 = 31 6x=35 = 5.83 (are you sure its 3 x's?)
5. 5tt=1 52t=1 2t = 6 t= 3
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