Simplify each expression.a. 21x - 32 + 15x + 32b. 413x +
Chapter 7, Problem Cumulative Review(choose chapter or problem)
Simplify each expression.a. 21x - 32 + 15x + 32b. 413x + 22 - 315x - 12c. 7x + 21x - 72 - 3x
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