Math Problem Statement
Which pair of expressions are equivalent? A.3+5a+−5 and 3+a
B.2a+15(5a) and 2a+1
C.−18(−8a) and −a
D.3a+8a+(−8a) and 3a what is the answer
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Simplification of Expressions
Combining Like Terms
Multiplying Negative Numbers
Formulas
Simplification of terms
Combining like terms: a + b = c when terms are alike
Multiplication of negative numbers: (-a)(-b) = ab
Theorems
Distributive Property
Properties of Equality
Suitable Grade Level
Grades 6-8