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Question
79
=
5
a
+
9
Answer
a
=
14
Explanation
79
5
a
+
9
5
a
5
a
a
a
=
5
a
+
9
=
79
=
79
−
9
=
70
=
5
70
=
14
swap the left and right side of the equation
move 9 to the right
divide both sides by 5
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