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Activities 5
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Activities 5
5.1)
Solve the equations:
a)
3
+
x
4
−
5
=
2
x
−
3
b)
2
+
2
x
3
+
4
=
x
−
3
2
−
7
c)
x
7
−
2
0
+
x
=
x
+
2
3
+
1
1
d)
2
1
+
2
x
5
+
1
2
=
2
2
−
2
x
3
e)
3
x
8
+
1
3
−
2
x
=
−
1
2
+
3
x
1
6
f)
2
3
−
3
x
+
4
x
−
1
3
=
9
+
2
1
x
4
a)
3
+
x
4
−
5
=
2
x
−
3
b)
2
+
2
x
3
+
4
=
x
−
3
2
−
7
c)
x
7
−
2
0
+
x
=
x
+
2
3
+
1
1
d)
2
1
+
2
x
5
+
1
2
=
2
2
−
2
x
3
e)
3
x
8
+
1
3
−
2
x
=
−
1
2
+
3
x
1
6
f)
2
3
−
3
x
+
4
x
−
1
3
=
9
+
2
1
x
4
5.2)
Solve the equations:
a)
x
(
7
−
5
)
=
4
b)
2
(
x
−
1
)
=
6
c)
3
(
x
+
x
)
=
1
2
d)
3
(
1
2
−
x
)
=
2
(
x
+
1
)
e)
4
(
2
x
+
5
)
=
5
x
+
3
8
f)
1
2
(
x
3
+
2
x
4
)
=
−
5
(
3
x
−
2
0
)
g)
2
5
+
1
0
x
−
1
=
3
(
3
x
−
2
)
h)
6
x
(
4
−
2
3
)
=
9
(
3
x
+
7
)
a)
x
(
7
−
5
)
=
4
b)
2
(
x
−
1
)
=
6
c)
3
(
x
+
x
)
=
1
2
d)
3
(
1
2
−
x
)
=
2
(
x
+
1
)
e)
4
(
2
x
+
5
)
=
5
x
+
3
8
f)
1
2
(
x
3
+
2
x
4
)
=
−
5
(
3
x
−
2
0
)
g)
2
5
+
1
0
x
−
1
=
3
(
3
x
−
2
)
h)
6
x
(
4
−
2
3
)
=
9
(
3
x
+
7
)
You can find the solutions
here
.
Quiz yourself
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