Math Problem Statement
Запитання №7: Розкрий дужки й спрости вираз: -( -a + 5 ) + 5 = ____ 5 + 5 = ____
Запитання №8: Розкрий дужки й спрости вираз: -y - (-y + a - b) = -y ____ y ____ a ____ b
Solution
The image contains two algebraic expressions that require simplification. Let's go step by step.
For Question 7:
The expression given is:
- First, simplify the first part:
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Math Problem Analysis
Mathematical Concepts
Algebra
Simplification of Expressions
Distributive Property
Formulas
Distributive Property: a(b + c) = ab + ac
Theorems
Simplification of algebraic expressions
Suitable Grade Level
Grades 7-9
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