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3
x
−
5
=
7
3x-5=7
3
x
−
5
=
7
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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"(x+1)/2+4=7"
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3x-5=7
3x-5=7
3x-5=7
1
Add
5
5
5
to both sides.
3
x
=
7
+
5
3x=7+5
3
x
=
7
+
5
2
Simplify
7
+
5
7+5
7
+
5
to
12
12
1
2
.
3
x
=
12
3x=12
3
x
=
1
2
3
Divide both sides by
3
3
3
.
x
=
12
3
x=\frac{12}{3}
x
=
3
1
2
4
Simplify
12
3
\frac{12}{3}
3
1
2
to
4
4
4
.
x
=
4
x=4
x
=
4
Done
Check Answer ▼
x=4
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