Question 487961: 9/10(3+8x)+3 greater than or equal to 15 [[9/10 is a fraction by the way)
Can you help me solve this please? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! 9/10(3+8x)+3 greater than or equal to 15 [[9/10 is a fraction by the way)
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(9/10)(3+8x)+3≥15
9(3+8x)/10-12≥0
LCD:10
27+72x-120≥0
72x-93≥0
72x-93≥0
x=93/72
number line:
<.....-....93/72.....+.......>
solution: [93/72,∞)