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4
(
5
x
−
2
)
=
2
(
9
x
+
3
)
4(5x-2)=2(9x+3)
4
(
5
x
−
2
)
=
2
(
9
x
+
3
)
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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4(5x-2)=2(9x+3)
4(5x-2)=2(9x+3)
4(5x-2)=2(9x+3)
1
Divide both sides by
2
2
2
.
2
(
5
x
−
2
)
=
9
x
+
3
2(5x-2)=9x+3
2
(
5
x
−
2
)
=
9
x
+
3
2
Expand.
10
x
−
4
=
9
x
+
3
10x-4=9x+3
1
0
x
−
4
=
9
x
+
3
3
Add
4
4
4
to both sides.
10
x
=
9
x
+
3
+
4
10x=9x+3+4
1
0
x
=
9
x
+
3
+
4
4
Simplify
9
x
+
3
+
4
9x+3+4
9
x
+
3
+
4
to
9
x
+
7
9x+7
9
x
+
7
.
10
x
=
9
x
+
7
10x=9x+7
1
0
x
=
9
x
+
7
5
Subtract
9
x
9x
9
x
from both sides.
10
x
−
9
x
=
7
10x-9x=7
1
0
x
−
9
x
=
7
6
Simplify
10
x
−
9
x
10x-9x
1
0
x
−
9
x
to
x
x
x
.
x
=
7
x=7
x
=
7
Done
Check Answer ▼
x=7
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