Combining Like Terms and Subtracting Linear Expressions

X+X+X+X+X

• X + 5 

• 5X

• X+X+X+X+X+5

• X to the 5th power 

y + x + y + y + x 

• 2 + 3 

• x + y 

• 2x + 3y 

• 5xy 

r + 10r

• 11r

• -11r

• 9r

• -11

-4x - 10x

• -14

• 6x

• -6x

• -14x

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

-2x + 11 + 6x

• 8x+11

• 4x +11

• 4x

• 15x

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17

• -13x² + 13

• -13x + 17

• -7x + 17

Subtracting Linear Expressions (-11a+7)–(11a–7)

• -22a - 14

• 0

• -22a + 14

• -22a 

• 7y - 17

• y + 1

• y - 17

• 7y + 17