Combining Like Terms and Substitutions

Simplify.

x - 44 + 1 - 15x

• -16x - 43

• -14x - 34

• -14x - 43

• -14x + 43

22n + 15 + 1 - 23n

• -2n -16

• -n - 16

• -n +16

• 2n + 16

Which expression is equivalent to
v + v + v + v + v?

• 5v

• v⁵

• v + 5

• v5

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5

• d + 5

• 2d + 7

• 3d + 4

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

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

-2x + 11 + 6x

• 8x+11

• 4x +11

• 4x

• 15x

5a + 2a + 2a 

• 9a

• 8a

• 7a

Simplify the expression: 
3t + 7y + t + 3y

• 3t + 10y

• 4t + 10y

• 4t + 4y