Simplify the expression 7n+2n-5
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Answered by
3
so,
we have to add onpy same variable.
7n+2n =9n
= 9n-5 is the answer because we cannot add a whole number and a variable.
we have to add onpy same variable.
7n+2n =9n
= 9n-5 is the answer because we cannot add a whole number and a variable.
Answered by
1
7n+2n-5=0
9n-5=0
9n=5
n=5÷9
9n-5=0
9n=5
n=5÷9
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