Solution 2.2:1a

From Förberedande kurs i matematik 1

(Difference between revisions)
Jump to: navigation, search
Current revision (13:10, 23 September 2008) (edit) (undo)
m
 
Line 1: Line 1:
-
If we add
+
If we add 2 to both sides in the equation,
-
<math>2</math>
+
-
to both sides in the equation,
+
 +
{{Displayed math||<math>x-2+2=-1+2\,,</math>}}
-
<math>x-2+2=-1+2</math>
+
we get ''x'' by itself on the left-hand side and can see the solution directly <math>x=1\,</math>.
-
 
+
-
we get
+
-
<math>x</math>
+
-
by itself on the left-hand side and can see the solution directly:
+
-
 
+
-
+
-
<math>x=1</math>
+
-
.
+

Current revision

If we add 2 to both sides in the equation,

\displaystyle x-2+2=-1+2\,,

we get x by itself on the left-hand side and can see the solution directly \displaystyle x=1\,.