Answer:
11x=1
Step-by-step explanation:
15x+4=5+3x+1x Bring everything with an x in front of it to the left side
15x-3x-1x+4=5 Simplify the x values
11x+4=5 Bring the 4 to the right side
11x=5-4
The factors of 4x^2 +8x-5 are (2x-1) and (2x+5)
1.666667 headphones per hour (simplify this)
divide the top and bottom by 3 and you should get your answer
im sorry i dont know but this is for a challenge
14r – 8r=126
6r=126
R=21
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