Equation and Expression Review

Solve the equation 3x + 5 = 17 for x.

• x = 7

• x = 10

• x = 4

• x = 2

Solve the equation 5x - 8 = 27 for x.

• x = 15

• x = 7

• x = 5

• x = 10

Evaluate the expression 5x - 3y for x=4 and y=2.

• 14

• 10

• 20

• 7

Evaluate the expression 2(3x + 5) - 4(2x - 3) for x=2.

• 22

• 18

• 10

• 14

Simplify the expression 4(2x + 3) - 2(5 - x).

• 8x + 12 - 10 + 2x

• 12x + 5

• 10x - 5

• 6x + 15

Solve the equation 2(3x - 4) = 20 for x.

• x = 6

• x = 10

• x = 8

• x = 12

Simplify the expression 3x + 2y - (x - 4y).

• 2x + 6y

• 4x + 6y

• 5x - 2y

• 7x - 2y

Simply the expression 5x + 3 + x + 4 by combining like terms.

Simplify: 13c - a + 4a - 3c - 4b

• 3a - 4b + 10c

• 4a - 4b + 13c

• 5a -4b + 16c

• 10c

4 - 1/2x = -10

• 28

• -28

• 7

• -7