Multi-Step Expressions & Equations

Simplify the following expression:
-10x - 9x + 1

• -19x + 1
• -19x² + 1
• -10x - 8
• -19x - 1

Tags

CCSS.7.EE.A.1

Simplify the following expression:
-7x - 9x

• 63x²
• -16x²
• -16x
• -15x

Tags

CCSS.7.EE.A.1

Simplify the following expression:
-8x + 4x

• -12x
• -4x
• 4x
• 12x

Tags

CCSS.7.EE.A.1

6x + 3x = 18

• x = 1/2
• x = 2
• x = 6
• x = 1/3

Tags

CCSS.7.EE.B.4A

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13
• 6x + 2y + 2
• 25x + 2y + 3
• x + 7y + 12

Simplify the following expression:
-7x +5 (1 - 8x)

• -33x + 5
• 5 + 33x
• 47x + 5
• 5 - 47x

Rewrite the expression by combining like terms.
y² + 4xy + 4 x + 5y² – 2xy – 2x

• 3x² + 3xy + 6y
• 6y² + 2xy - 2x
• 7x² + 35x
• 3x² + 6y² + y

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

2n + 3n + 7 = -43

• n = -43/12
• n = -10
• n = -56/5
• n = 10

-11 + 3(b + 5) = 7

• 1
• -1
• 3
• -3