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Number operation review 6 pdf
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Mô tả chi tiết
Equations
To solve an algebraic equation with one variable, find the value of the unknown variable.
Rules for Working with Equations
1. The equal sign separates an equation into two sides.
2. Whenever an operation is performed on one side, the same operation must be performed on the
other side.
3. To solve an equation, first move all of the variables to one side and all of the numbers to the other. Then
simplify until only one variable (with a coefficient of 1) remains on one side and one number remains on
the other side.
CHAPTER
Algebra Review
This chapter reviews key skills and concepts of algebra that you need
to know for the SAT. Throughout the chapter are sample questions in
the style of SAT questions. Each sample SAT question is followed by
an explanation of the correct answer.
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