-15+7=-8
Adding numbers with different signs makes it subtraction and the answer will have the sign of the bigger number
Answer:
Sorry I don't know
Step-by-step explanation:
Answer:
Explanation: L = longer piece S = shorter piece
L + S = 22
L = 4 + S
S + S + 4 = 22
-4 -4
S + S = 18
S = 18/2 = 9 cm
L = 4 + S —> 4 + 9 = 13 cm
To confirm:
13 cm + 9 cm = 22 cm
Therefore, the shorter piece is 9 cm.
Answer:
11
Step-by-step explanation:
first (x-5) you would substitute x for 11 then subtract 5. next you would multiple by 2 and your answer would be 12
