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What is a good website for maths word problem for kindergarten students? Is Michigan more expensive to live than Nebraska? Need to find the solutions to |2(x-1)| + y = 1 and x + 2|y-1| = 8 ? What is the specific heat of a substance if 130 kJ of heat is needed to raise 7.6 kg of the substance from 18.0 ∘C to 37.2 ∘C? Equation for the synthesis of N-(2-chloroethyl piperidine)?