Asked by M
Please explain how you would use a mathematical property to make the following number sentence always true:
a x 9 = a x 7 + 2
a x 9 = a x 7 + 2
Answers
Answered by
PsyDAG
Online "*" is used to indicate multiplication, because x is often confused with an unknown.
a * 9 = a * (7+2)
What mathematical property does this involve?
a * 9 = a * (7+2)
What mathematical property does this involve?
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