= -<span>9x-12=35-x
Put like terms together:
= -9x + x = 35 + 12
= -8x = 47
= x = -47/8
= x = -5.875
In short, Your Answer would be: -5.875
Hope this helps!</span>
Answer:
Step-by-step explanation:
g/2-9=-7
inverse operation:
g/2-9=-7
+9 +9
g/2=2
g/2=2*2
g = 4
If you expand the square, you have
![\dfrac{1}{4}x^2-3x=7x+8-10x](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B4%7Dx%5E2-3x%3D7x%2B8-10x)
Simplify the right hand side:
![\dfrac{1}{4}x^2-3x=-3x+8](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B4%7Dx%5E2-3x%3D-3x%2B8)
Cancel the -3x appearing on both sides:
![\dfrac{1}{4}x^2=8](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B4%7Dx%5E2%3D8)
Multiply both sides by 4:
![x^2=32](https://tex.z-dn.net/?f=x%5E2%3D32)
Consider the square root of both terms (using the doubles sign):
![x=\pm\sqrt{32}=\pm4\sqrt{2}](https://tex.z-dn.net/?f=x%3D%5Cpm%5Csqrt%7B32%7D%3D%5Cpm4%5Csqrt%7B2%7D)
Discounted Cost= Cost of Item - (Cost of Item * % Discount)
= $45.60 - ($45.60 * 30%)
convert % to decimal (30% ÷ 100)
= 45.60 - (45.60 * 0.30)
multiply in parentheses
= 45.60 - 13.68
= $31.92 discounted cost
ANSWER: The discounted cost of the item is $31.92 (savings of $13.68).
Hope this helps! :)