Solving Equations with One Variable

In the equation 6x -13 = 11. Solve for the value of x.

• x = 4

• x = -4

• x = 6

• x = -6

In the equation 4 + 11y = 25 + 4y. Solve for y.

• y = 1

• y = 3

• y = 5

• y = 7

3 (3r + 7) = 48. Find the value of r.

• r = 1

• r = 2

• r = 3

• r = 4

Twice the sum of a number n and five is twenty-four. What is the value of the number n?

• n = 4

• n = 5

• n = 6

• n = 7

Tommy does 15 Joules of work to push the pencil over 1 meter. If Work = Force x Distance. How much force did he use?

• Force = 5 N

• Force = 10 N

• Force = 15 N

• Force = 20 N

What is a mathematical statement that expresses the equality of two expressions?

• Equation

• Expression

• Variable

• Transpose

What is a symbol that represents an unknown value?

• Equation

• Expression

• Variable

• Transpose

What is a method of moving quantities across the equal sign in an equation to make problem solving more efficient?

• Equation

• Additive Inverse

• Multiplicative Inverse

• Transposition

What is a value that, when multiplied by the original number, results in the identity element for multiplication, which is 1?

• Equation

• Additive Inverse

• Multiplicative Inverse

• Transposition

What is the number that, when added to a given number, results in the sum of 0?

• Equation

• Additive Inverse

• Multiplicative Inverse

• Transposition