Equazioni Numeral con Addition e Subtraction

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Questions and Answers

Qual es le proprietate de numeros que nos permite reorganizar le additio de numeros in un equation?

Distributivitate
Commutativitate (correct)
Identitate
Associativitate

Le equation 2x + 5 = 11 pote esser solute per adder 5 a ambos lados.

False (B)

Solue le equation x - 3 = 7.

Le equation 4x + 2 = 16 pote esser solute per ____________________ 2 a ambos lados.

subtraher Signup and view all the answers

Match le proprietates de numeros con lor usos in le equationes:

Commutativitate = Permutar le operandos in un equation Associativitate = Reorganizar le operationes in un equation Distributivitate = Expander un producto in un equation Identitate = Un valor que non cambia le equation Signup and view all the answers

What property of numbers allows us to add the same value to both sides of an equation?

Additive inverse property (A) Signup and view all the answers

The equation 2x - 3 = 5 can be solved by subtracting 3 from both sides.

True (A) Signup and view all the answers

Solve for x in the equation x + 2 = 9.

x = 7 Signup and view all the answers

The equation 5x - 4 = 11 can be solved by adding _______ to both sides.

4 Signup and view all the answers

Match the properties of numbers with their uses in equations:

Commutative property = Reordering numbers in an equation Associative property = Reordering operations in an equation Distributive property = Expanding products in an equation Additive inverse property = Adding the same value to both sides of an equation Signup and view all the answers

Study Notes

Equations con Addition e Subtraction

Identificar valores incognite in equationes numerical que involve addition e subtraction.
Utilisar le proprietates de numeros e operationes para resolver equationes.
Addition e subtraction son operationes inverse: si a + b = c, alors a = c - b e b = c - a.
Proponer strategias pour resolver equationes, como:
- Adder o subtracter le mesmo valor a ambos lados de l'equation.
- Utilisar le proprietate commutativa de addition e subtraction.
- Utilisar le proprietate associativa de addition e subtraction.

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Description

Solva le equazioni con numeros incognitos utilisante le proprietates de numeros e operationes. Aprende a trovar le valores unknown in equazioni que implica addition e subtraction.