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1.1)

Calculate and simplify the expressions:

a)
x−2x
b)
x−3x+8x
c)
5y+2y
d)
5x−x
e)
a−a−2a+a
f)
8a−a
g)
3y−10y+y
h)
f−7f
i)
k−k
j)
16p+13p−2p
k)
9z−6z
l)
12m+8m

a)
x−2x
b)
x−3x+8x
c)
5y+2y
d)
5x−x
e)
a−a−2a+a
f)
8a−a
g)
3y−10y+y
h)
f−7f
i)
k−k
j)
16p+13p−2p
k)
9z−6z
l)
12m+8m

1.2)

Calculate and simplify the expressions:

a)
4x−8x−10x
b)
−a+3a−5a
c)
5y+3y+12y−y
d)
5x−x−2x
e)
13a+4a−8a+a
f)
9k−k−k+2k
g)
3y−y+y
h)
5f+3f−8f
i)
k−k+3k−8k
j)
16p−2p−14p
k)
9z−6z+16z+z
l)
m−m+3m−4m

a)
4x−8x−10x
b)
−a+3a−5a
c)
5y+3y+12y−y
d)
5x−x−2x
e)
13a+4a−8a+a
f)
9k−k−k+2k
g)
3y−y+y
h)
5f+3f−8f
i)
k−k+3k−8k
j)
16p−2p−14p
k)
9z−6z+16z+z
l)
m−m+3m−4m

You can find the solutions here.

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