Practice through the properties of genuine numbers. The word NUMBERS indicates the answer will certainly deal only with numbers. The word X suggests the answer will certainly contain a variable, but not necessarily the variable x.

Distributive home (Numbers)
 AB 3(5 + 2) = 15 + 6 Commutative residential or commercial property of enhancement (Numbers) 3 + 7 = 7 + 3 Commutative residential property of Multiplication (Numbers) 2 • 10 = 10 • 2 Associative home of enhancement (Numbers) 5 + (6 + 7) = (5 + 6) + 7 Associative residential property of Multiplication (Numbers) 6 • (3 • 2) = (6 • 3) • 2 Additive identity (Numbers) 6 + 0 = 6 Additive station (Numbers) 5 + (-5) = 0 Multiplicative identity (Numbers) 5 • 1 = 5 Multiplicative train station (Numbers) 8 • (1/8) = 1 Reflexive residential or commercial property (x) x + 4 = x + 4 Distributive home (x) x • (4 + 6) = 4•x + 6•x Commutative residential property of enhancement (x) (x + 6) + 5 = (6 + x) + 5 Commutative residential property of Multiplication (x) (5a) • b = b • (5a) Associative building of enhancement (x) (x + y) + 3 = x + (y + 3) Associative residential property of Multiplication (x) (6x) • y = 6 • (xy) Additive identity (x) x + 0 = x Additive station (x) b + (-b) = 0 Multiplicative identity (x) x • 1 = x Multiplicative inverse (x) x • (1/x) = 1 Reflexive property (Numbers) 2 = 2 Symmetric building (Numbers) If 2 + 6 = 8, then 8 = 2 + 6 Symmetric property (x) If b = 3, then 3 = b Transitive building for x and b If x = b and also b = 3, then x = 3 Transitive property for a and c If a = b + 4 and also b + 4 = c, then a = c Substitution building (Numbers) (5 + 3) • 2 = 8•2 Substitution property (x) (7 - 4) • x = 3x Multiplicative residential or commercial property of Zero (Numbers) 9 • 0 = 0 Multiplicative home of Zero (x) a • 0 = 0