Group all variable terms on the left and constant terms on the right. 3. Equations with Parentheses (№291–295)
These problems involve basic equations where you must isolate the variable
If there is a minus sign before the parentheses, all signs inside must be flipped. Sample Solution (Generic Example) For a problem like №291 (a) : Open parentheses: Move terms: Combine like terms: Divide: Resources for Homework Help
These exercises focus on moving terms from one side of the equation to the other.
When a term is moved across the equals sign, its sign must be changed (e.g., +5positive 5 -5negative 5
Algebra. Uchebnik 7kl. - Dorofeev G.V. I Dr. - 2010 256s | PDF - Scribd