SIMPLFY BY COMBINING LIKE TERMS

Simplify combining like terms :

Problem 1 :

21b – 32 + 7b – 20b

Solution

Problem 2 :

–z² + 13z² – 5z + 7z³ – 15z

Solution

Problem 3 :

p – (p – q) – q – (q – p)

Solution

Problem 4 :

3a – 2b – ab – (a – b + ab) + 3ab + b – a

Solution

Problem 5 :

5x²y – 5x² + 3yx² – 3y² + x² – y² + 8xy² – 3y²

Solution

Problem 6 :

(3y² + 5y – 4) – (8y – y² – 4)

Solution

Add the following :

Problem 7 :

3mn, -5mn, 8mn, -4mn

Solution

Problem 8 :

t – 8tz, 3tz – z, z - t

Solution

Problem 9 :

-7mn + 5, 12mn + 2, 9mn – 8, -2mn - 3

Solution

Problem 10 :

a + b – 3, b – a + 3, a – b + 3

Solution

Subtract the following :

Problem 11 :

-5y² from y²

Solution

Problem 12 :

6xy from -12xy

Solution

Problem 13 :

(a – b) from (a + b)

Solution

Problem 14 :

a(b – 5) from b(5 – a)

Solution

Problem 15 :

-m² + 5mn from 4m² – 3mn + 8

Solution