6th and 7th Grade Expressions and Equations Challenge

Simplify the expression: 3x + 2y - 4x + 5y

• 7x - y

• -x + 3y

• -x + 7y

• 2x + 7y

Solve for x: 2x + 7 = 15

• 4

• 3

• 6

• 10

Evaluate the expression when x = 4 and y = 2: 2x + 3y

• 6

• 8

• 14

• 10

Solve for x: 5(x + 3) = 40

• 8

• 10

• 12

• 5

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

• 11x + 8

• 11x - 8

• 5x - 8

• 6x - 8

Solve for x: 4x - 8 = 20

• 7

• 5

• 15

• 10

Evaluate the expression when x = 2 and y = 5: 4x - 2y

• 12

• 0

• -18

• -2

Solve for x: 3(x - 2) = 21

• 15

• 6

• 12

• 9

Simplify the expression: 2x + 3y - 4x + 2y

• -2x + 5y

• -2x - 5y

• 2x - 5y

• -2x + 5y

Solve for x: 6x + 9 = 33

• 10

• 7

• 3

• 5