Solving Equations Answers

Solve 3[–x + (2 x + 1)] = x – 1.x =

Solve 2y – 3 = 4y + 6.y =

Which expression represents the distance Kelli traveled downstream? 0.1(x – 5)0.1(x + 5)

Solve the equation x – 5 = 0.1(x + 5) for x. Round your answer to the nearest hundredth.Kelli can swim about km/hour.

Solve 0.25[2.5x + 1.5(x – 4)] = –x.x =

Which equation is a simplified version of the one above?

At months, the prices are the same.

Choose the most logical value for the variable to represent.Let x = .

Explain how you would define a variable for this problem.

The length of the third side of the triangle is cm.

The third side is described in relation to one of the equal sides, so let x = the length of one of the equal sides. Which equation models the problem?x + x + (5 – 2x) = 23x + x + (2x – 5) = 23x + x + (2x + 5) = 23x + (2x – 5) + (2x – 5) = 23

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The sum of three consecutive even integersis –78. What are the integers?Describe how you would use the strategy of writing an equation to solve the given problem.

Solve .w=

Which expression represents the distance Kelli traveled upstream? 1(x – 5)1(x + 5)

Which of the following did you include in your description? Check all of the boxes that apply.Let x = the smallest even integer, x + 2 = the next even integer, and x + 4 = the largest even integer.Write the equation x + x + 2 + x + 4 = –78.Simplify the equation as 3x + 6 = –78.Solve the equation by subtracting 6 and dividing by 3 on both sides of the equation.Check that the sum of the integers –28, –26, and –24 is –78.