Simplify each difference. (5n^2 + 7n) - (7n^2 + 8n )

we have given

.

we need to find the difference between two terms .

.

here we have find the difference and taken out n as common

and rewritten the expression.

(5n² + 7n) - (7n² + 8n )

Combine like terms. Like terms have the same variables and exponents. In this case, the like terms are 5n² - 7n² and 7n - 8n.

is your answer.

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step-by-step explanation:

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9