Math Problem Statement
simplify each expression:7. (5ab + ac − 9bc) + (−ab + 10ac + 4bc)
- (7k2m − 3km2 + 2km) − (3k2m − km2
− 11km)
- (−12r2s + 2rs2 + 6rs) − (3r2s + 8rs2
− rs)
- (6wx + 5wz − 2xz) + (−7wx + 12wz − xz)
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Simplification of Expressions
Combining Like Terms
Formulas
Distributive Property
Combining Like Terms
Theorems
Commutative Property of Addition
Associative Property of Addition
Suitable Grade Level
Grades 7-9