Answer:
answer is -9
Step-by-step explanation:
5(x+1)=4(x-1)x
5x+5=4x-4+x
5x+5=4x+x-4
5x+5=5x-4
5x-5x=-4-5
x=-9
Delete this answer please.
Answer:
The answer is b, which is 3+x+3
Answer:
The perimeter of the triangle is 34 units
Step-by-step explanation: