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Math 017 Materials With Exercises

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Ex.21 Solve the following equations.a) 4x 3 12b) 0 2(1 x)c) 6 2( x 5)d) ( x 3) 2xe) 2 ( x 3) xf) x 4 (x 2)Ex.22 Determine which of the following equations has no solution, exactly one solution, or a solutionset consisting of all real numbers.a) x 8 x 9b) x 0c) x x 0d) 4(x 2) 2 4x 1 e) 3x1 3x 3 Ex.23 Solve the following equations.a) 6x 12ab) 154c) x 7d) x 01e) a 4 46f) 3x 7 8g) 0.8y 0.1 1.5h) 22 5y yi) x 4x 2xj) x 5 3x7k) 4 x 3 1xl) 2.3a 5 1.8am) 3(2B 5) 16n) 3x 12 7xo) 3(x 2) 6 3xp) x 7 3(x 5)q) 3 7x 2 4xr) 32m 4 6m 6s) ( x 3) 2x 3(1 x)t) 2 (4x1) 7x 4 xu) 4(y 2) (1 y)v) ( x 3) x (2x1)87

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