First, add 19 on both sides. You end up with 2s = 48. Then divide both sides by 2 in order to isolate the 's'. You get s = 24.
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v = -6
r + 11 + 8r = 29
If I read right, then r= 4.5, so that (4)(4.5)(2)-7=29
87 = 3yDivide each side of the equation by 3:29 = y
The possibility of your next question being noob is approximately 29 over 16.