Mastering Linear Equations and Algebra

Solve for x: 2x + 5 = 15

• 7

• 0

• 10

• 5

Identify the coefficient in the expression: 7y - 3

• 7

• 10

• -3

• 7y

Simplify the expression: 3a + 4a - 2a

• 2a

• 7a

• 5a

• 6a

Evaluate the expression: 5x + 3 when x = 2

• 10

• 13

• 8

• 15

Translate to an equation: The sum of a number and 8 is 12.

• x - 8 = 12

• 8 + 12 = x

• x + 8 = 12

• x + 12 = 8

Solve for x: 4x - 7 = 9

• -1

• 4

• 5

• 2

Identify the coefficient in the expression: -5m + 2

• -5

• -2

• 5m

• 2

Simplify the expression: 6b - 2b + 4

• 2b + 4

• 4b + 4

• 4b - 2

• 6b + 4

Evaluate the expression: 2p^2 + 3p when p = 1

• 4

• 6

• 7

• 5

Translate to an equation: Three times a number is 21.

• x + 3 = 21

• 21 = 3 + x

• 3x - 21 = 0

• 3x = 21