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What values of x make the inequality −5x−7>3x+1 true? Can someone explain this to me? Im not really looking for solution I want to understand that to do some exercises on my own, please with that
If 3 shirts and 4 caps cost $96, and 2 shirts and 5 caps cost $99, how much did each cap and each shirt cost?
Solve for x. - 3x + 8y = 5 6x - 2y =10
Solve the following by substitution : -x + y = 10x - y = 5
SOLVING SYSTEMS OF EQUASIONS BY ELIMINATION. -4x-2y=-12 4x+8y=-24
Select the pair of equations whose graphs are perpendicular. A. 2y = –3x + 5 2x + 3y = 4B. 5x – 8y = 9 12x – 5y = 7 C. y = 2x – 7 x + 2y = 3 D. x + 6y = 8 y = 2x – 8
How to do substitution
A 75 inch boars is cut into 2 pieces one piece is 4 times the length of the other find the lengths of the 2 pieces the short piece is _inches long
He sum of two numbers is 46 and the difference is 2. What are the numbers?large number isthe small number is
Use substitution to solve the system. x=3y+7 and 3x-4y=16x=y=
Substitution: y-2x=-6 and 5x-y=9
Solve for x₁ and x₂6x₁+3x₂=606x₁-2x₂=80
Solve the equation: X to the 4th power - 81=0
Solve the equation: 5x^3+30x^2+45x=0 x^4-4x^2+3=0 |2x-5|=11
Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they charged a total of $725. What was the rate charged per hour by each mechanic if the sun of the two rates was $100 per hour?
The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations
Can someone show me how to solve this? A boat took 5 hours to travel 60km up a river, against the current. The return trip took 3 hours. Find the speed of the boat in still water and the speed of the current.
Find the equation for the dimensions of a window:
Solve equations by completing the square: x^2 - 4x + 1 = 0; x^2 + 6x - 9 = 0; x^2 + 20x + 3 =0; x^2 - 2x - 5 = 0.
A) six pens and five pencils cost $2.50 while three pens and two pencils cost $1.15. what will be the cost of a pen and 4 pencils. me
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