−7+[(8⋅m)⋅18]+7
= -7 + 8m*18 + 7
= -7 + 144m + 7
= 144m
= m
Complete the following stepped-out solution to show that −7+[(8⋅m)⋅18]+7 is equivalent to m .
−7+ ? +[(8⋅m)⋅18] Commutative Property of Addition
?+[(8⋅m)⋅18] Inverse Property of Addition
(8⋅m)⋅18 Identity Property of Addition
(8⋅?)⋅ m Associative Property of Multiplication
(?)⋅m Inverse Property of Multiplication
m Identity Property of Multiplication
1 answer
1 answer