How do you solve these for s and t using the following equations?: 3s-5t=-30 and 7s+11t=32
1 Answer
Oct 21, 2015
Explanation:
You first need to find the equation in terms of either
So
=
=
=
Now equate the 2 terms of
=
=
=
=
=
=
=
Now swap the value of t in an original equation,
Therefore,