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Solve: 4(x - 2) = 3x + 5. Which value of x satisfies the equation?
A rectangle has length equal to three times its width. If the perimeter is 360 meters, find the rectangle's width and length.
Solve the system where x + y = 50 and x = 2y - 5 by synthesizing the relations into one equation. Provide exact values for x and y.
Using the formula A = lw for rectangle area, find the area when l = 7.5 m and w = 4 m by following identify, substitute, and solve steps.
Given the formula Q = mcΔT, where Q is heat, m is mass, c is specific heat, and ΔT is change in temperature, solve symbolically for ΔT.
Solve for x: 3(2x − 4) + 5 = 2(x + 1) + 14.
Which of the following correctly expresses the decimal as both a percentage and a fraction in simplest form?
is of what number?
If in simple interest is earned over years at an annual rate of , what was the principal amount borrowed?
Which algebraic translation correctly represents: "There are eight more nickels than dimes," if d represents the number of dimes and n represents the number of nickels?
A chemist needs to create 14 liters of a 50% acidic solution. They have two different acidic solutions available to use each with percentages of 40% and 70% respectively. If represents the number of liters for the 40% solution, how many liters of each solution should they mix together in order to achieve their desired acidic solution?
A contractor must cover a floor with 60 tiles. Type A tile covers 2.5 sq ft and Type B covers 3.5 sq ft. The total covered area must be 180 sq ft. Let x = number of Type A tiles. Set up and solve the system to find x and the number of Type B tiles.