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This guide teaches you the essential concept of balance in equations, illustrating how to isolate variables to find their values. Through clear examples, including subtracting the same number from both sides of an equation, you will understand the importance of maintaining equality in mathematical expressions. Each step is explained in detail to clarify the reasoning behind the operations. Perfect for students looking to enhance their problem-solving skills and grasp the fundamentals of algebra.
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Key Terms توازن Balance ﺟﻤﻠﺔ ﻋﺪدﻳﺔ Number sentence Ex: What does equal? وﺿّﺢ Explain Solve ﺣِﻞ
Example #1 Solve. 1) What does equal? Ex: What does equal? Do the same on both sides of the equals sign!! Or else!! -5 -5 = 3 Explain: Why did we subtract by 5 on both sides and not 8? Answer: To solve the equation, you need to get the by itself.
Example #2 Hint: Positive 56 Solve. 56 + = 109 What does equal? -56 -56 = 53 Explain: Why did we subtract by 56 on both sides and not 109? Answer: We subtracted 56, because it is the number next to the box .
Independent Practice Solve. 8 + 5 = + 4 1) 2) 50 - = 43+2 Answers: 9, 5