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06 Simultaneous Addition
Contributed by:
Drayton
2x=
x=
x+y=15
x-y=3
y=
-y=3
x=
2x=
x+y=0
x-y=2
y=
+y=0
•means times
6x=
x=
2x-y=3
4x+y=3
2•
y=
-y=
•means times
9x=
x=
5x-2y=29
4x+2y=34
4•
y=
+2y=
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