Question #d5b6d
2 Answers
Explanation:
normally with these we would rearrange one eqn for one variable and substitute into eh other eqn.
Here, however we can quickly eliminate one of the variables as follows
ADD
the rearranging is left as an exercise for the reader
using
:.y=1#
one soln
-44+3y=23#
other soln
Explanation:
Substituting the value of 9y in the second equation,
When
When