Answer:
Step-by-step explanation:
Step 1
Having all the
x
terms on one side of =
Subtract
2
x
from both sides
2
x
−
2
x
+
3
=
3
x
−
2
x
−
4
0
+
3
=
x
−
4
Swap round
x
−
4
=
3
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Step 2
Have just
x
on the left of =
Add
4
to both sides
x
−
4
+
4
=
3
+
4
x
=
7
