Math Problem Statement
11. Calcula: (7 + (-7)) = 12. Simplifica: (-12 + 12) = 13. Simplifica: (9 . 1/9) = 14. Simplifica: (x + (-x)) = 15. Simplifica: (5 / 5) = 16. Simplifica: (-3 + 3) = 17. Simplifica: (4x /4) = 18. Simplifica: (0 + x) = 19. Simplifica: (1 y) = 20. Simplifica: (z / 1) =
Solution
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Math Problem Analysis
Mathematical Concepts
Simplification
Basic Algebra
Operations with Fractions
Additive Inverses
Multiplicative Inverses
Division by One
Formulas
a + (-a) = 0
a / a = 1 (where a ≠ 0)
a * (1/a) = 1 (where a ≠ 0)
x + 0 = x
x / 1 = x
Theorems
Additive Inverse Property
Multiplicative Inverse Property
Identity Property of Addition
Identity Property of Multiplication
Suitable Grade Level
Grades 5-7