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hi who knows this i need helpGiven: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.

9th grade


Simplify Q + S - T.


8m - 7n - 3

8m + 7n - 3

-8m - 7n - 3

-8m + 7n - 3

Sagot :

JHAYAREVILLORIAGO

Step-by-step explanation:

Q= 7m+3n

S= n+5

T= -m -3n +8

*Substitute given values to the expression Q+S-T.

• (7m +3n) + (n+5) - (-m -3n +8)

• 7m + 3n + n + 5 + m + 3n - 8

• 8m +7n -3

The simplified expression is 8m + 7n -3

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