Equação do 1º grau com uma incógnita

What did Josué place on the balance to make the plates balanced?

What equation did Josué form with the two expressions?

What is the total weight of the cans on the right plate?

What principle is applied to solve the equation in the problem?

• True

• False

What is the equation used to find the value of x in the given problem?

According to the document, what is important for solving first-degree equations?

• Understanding the principles of equivalence

• Memorizing multiplication tables

• Knowing the history of mathematics

• Practicing geometry

Which principle is used when dividing both sides of an equation by the same non-zero number?

• Additive Principle of Equality

• Subtractive Principle of Equality

• Multiplicative Principle of Equality

• Division Principle of Equality

What is the equation for Poço A?

• a) Multiply both sides by 20

• b) Divide both sides by 20

• c) Add 20 to both sides

• d) Subtract 20 from both sides

• Principle of addition

• Principle of subtraction

• Principle of multiplication

• Principle of division