can someone help me with this please I'm struggling
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Answered by
0
Answer:
9x
Step-by-step explanation:
5x+4+4x-4
Group like terms
=5x+4x+4-4
Add similar elements
=5x+4x=9x
4-4=0
= 9x
Answered by
0
Answer:
option D which is 18x is the correct answer
Step-by-step explanation:
L=5x+4
B=4x-4
perimeter of rectangle=2(L+B)=2(5x+4+4x-4)=2(9x)=18x
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