Algebra Questions and Problems for Grade 7 Algebra Questions and Problems for Grade 7 Grade 7 algebra questions and problems with detailed solutions are presented. Questions on simplifying expressions, solving equations, factoring expressions,....are included. Evaluate each of the expressions for the given value (s) of the variable (s). 12 x 3 + 5 x 2 + 4 x - 6 for x = -1