Solving Equations III (Geo)

Solve 4n - 2n = 4.

• 2

• 4

• 6

• 8

Solve 2 + 5x + 2x = -12.

For which equation would you add 12 as the first step?

Which of the following equations does not have x = 2 as a solution?

Solve 3 = x + 3 - 5x.

• x = -6

• x = 0

• x = -1

• x = 6

What is the solution to the equation 3(2x - 5) = x + 10?

• 9

• 6

• 8

• 5

You solve an equation and find that 7 = 9 in your final step. What does this mean?

• The equation has 1 solution.

• The equation has no solution.

• The equation has infinitely many solutions.

• The equation is an identity.

Solve the equation -3(1 + 6x) = 14 - x.

• x = 1

• x = -1

• No solution

• All real numbers

Write the phrase "the difference of 4 and a number" as a variable expression.

• x - 4

• 4 - x

• x + 4

• 4 + x

Solve the equation 2(5x - 2) = 8x.

• -2

• 1

• 2

• -1