Solving and Combining Like Terms

Combine Like terms

15x - 5x +5

• 25X

• 15X

• 10X+5

Combine Like Terms.

2x + 3 -4x

• 6x +3

• 2x +3

• -2x +3

• 9x

Combine Like Terms

• -8x +2

• -6x +4

• 12x

What are the terms?

• 2x

• 5

• 2x and x

• 2x, 5, x

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

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

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

Mathematical Equivalence

ON

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

• variable

• exponent

• constant

• coefficients

• coefficient

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

Simplify:

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

• 39x + y + 2

• 29y - x + 2

• 39 + 1x

• x + 39y + 2