Algebraic Expressions and Combining Like Terms

Simplify 4m + 2m - 3

• 3m

• 6m - 3

• 8m - 3

• 6m

Simplify -4x - 5x + 8

• x + 8

• 20x + 8

• 9x + 8

• -9x + 8

Which value represents the constant in the expression 3x + 2y - 5?

• 3

• 2

• 5

• -5

What is the coefficient of m in the expression 2n - m

• 2

• 1

• -1

• 0

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

Mrs. Salpietro has 8x+7 feet of rope for a project she is making. But she needs another 15 feet still. How much rope will she have total for her project?

• 8x+22 feet

• 23x + 7 feet

• 30x feet

• 30 feet

Nicholas's teacher gave him the final expression "7x+5" and asked him to match this with two correct original expressions given in the list below. Which two original expressions simplify to 7x+5?

• 2x + 1+ 5x + 4

• 10x + 2 - 3x + 3

• x +2 + 4x + 5

• 2x+ 3+ 3x + 4

To combine like terms in an expression, the terms must have the same ​ ​ (a)   and ​ (b)  

• variable

• exponent

• constant

• coefficients

• coefficient

Simplify:

20y + 19y - 2x + 3x + 2

• 39x + y + 2

• 29y - x + 2

• 39 + 1x

• x + 39y + 2

Write an equivalent expression: x + 13y + 8y + 4x

Mathematical Equivalence

ON