Colorful House of Math logo
Log in

Activities 2


2.1)

Calculate and simplify the expressions:

a)
2x + x + 3y
b)
x + 2y 3x
c)
10a 5b + 2b 3a
d)
z + 5a 6z + 2z
e)
2y + 3x + 4x 3y

2.2)

Calculate and simplify the expressions:

a)
x + y + 2x + 5x + 2y 6x + 3y 5y
b)
4a 2b + a 5b 7a + 12b
c)
16a 2c + 15b + 8a 7b + 9c a + 21c
d)
16x + 7y 5z + y 12x 6y + 4z + 13x

2.3)

Calculate and simplify the expressions:

a)
1 4x 2y + 7x + 5 + y
b)
9a 5a + 2 a
c)
6a 3 a + 2
d)
4x 3y 4 + 2x 3
e)
a + 3 + 5a 5
f)
3a 4 + 2b + a
g)
3c + 7h + 5c 4c + 7h
h)
8p + 9p 5t 5p + 8t
i)
k + k + 2k + 4r 3k 3r

a)
1 4x 2y + 7x + 5 + y
b)
9a 5a + 2 a
c)
6a 3 a + 2
d)
4x 3y 4 + 2x 3
e)
a + 3 + 5a 5
f)
3a 4 + 2b + a
g)
3c + 7h + 5c 4c + 7h
h)
8p + 9p 5t 5p + 8t
i)
k + k + 2k + 4r 3k 3r

You can find the solutions here.

Want to know more?Sign UpIt's free!
White arrow pointing to the LeftPrevious entry
Plus and Minus (Different Variables)
Next entryWhite arrow pointing to the right
Plus and Minus of Powers