Solving Simple Equations
ISEE Lower Level · Flashcards · Recall
ISEE LOWER LEVEL · FLASHCARDS
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QUESTION
What operation should you use to undo multiplying by
5
5
5
in the equation
5
x
=
30
5x = 30
5
x
=
30
?
QUESTION
What operation should you use to undo adding
7
7
7
in the equation
x
+
7
=
12
x + 7 = 12
x
+
7
=
12
?
QUESTION
What operation should you use to undo multiplying by
5
5
5
in the equation
5
x
=
30
5x = 30
5
x
=
30
?
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ANSWER
Divide both sides by
5
5
5
. To isolate
x
x
x
, perform the inverse operation of multiplication by dividing both sides by
5
5
5
, preserving equality.
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