6
practice testMultiple Choice

Practice Test

Question 6 • Grade 7 Mathematics

What property was applied to solve the given equation? negative 3 eighths x is equal to 48 negative 3 eighths open paren negative 8 thirds close paren x is equal to 48 times open paren negative 8 thirds close paren x is equal to negative 128

Answer
A
Multiplication Property of Equality
B
Division Property of Equality
C
Addition Property of Equality
D
Subtraction Property of Equality

Explanation

The equation starts as (-3/8)x = 48. To isolate x, both sides are multiplied by -8/3, the reciprocal of -3/8; this gives x = 48(-8/3) = -128. Applying the same multiplication to both sides is the Multiplication Property of Equality.

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