Adding and Subtracting Algebraic Expressions

What is the difference between an equation and an expression?

• There isn't, they are the same

• One has letters and one doesn't

• Equations have an equals sign, expressions don't

Tags

CCSS.6.EE.A.2B

Find the sum (−3x + 7) + (2x − 5).

• −x + 2
• −6x − 35
• −x - 2
• −5x + 2

Tags

CCSS.HSA.APR.A.1

(7a + 4) - (9a + 2)

• -2a + 6
• 2a + 6
• -2a + 2
• 2a + 2

Tags

CCSS.HSA.APR.A.1