You just have to subtract four from each side to get x alone.
The answer is x = -18
Answer:
How much the tree grew a week
Step-by-step explanation:
20/33 as a fraction. 60.6% as percentage and as a decimal 6.06 occurring
1. 7.00
2. A. <span>Sarah is paying the smaller price of $1.25 per cupcake.
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Both expression have the same denominator: 9x²-1. Thus it must not be 0.
9x²-1=(3x-1)(3x+1)=0, resulting x=+-1/3.
Restrictions: x in R\{-1/3, 1/3}
Adding those expressions:
E=(-x-2)/(9x²-1 ) + (-5x+4)/(9x²-1)=
(-x-2-5x+4)/(9x²-1)=(-6x+2)/(9x²-1)=
(-2)(3x-1)/(9x²-1)=-2/(3x+1)
E=-2/(3x+1)
