Question

Solve using any appropriate method.

2s-13t=120
-14s+91t=-840

Answer 1

using simultaneous eq. you can solve this

Answer 2

given

-14s + 91t = -840 ---------> 1

2s - 13t = 120 ---------> 2
multiply eqn 2 by 7

14s - 91t = 840

Answer 3

just times the top equation by 7 then subtract from the below equation

Answer 4

u wont get solutions , these eqns have infinite solutions

Answer 5

Use Elimination Method

Answer 6

For that Multiply the 1st equation by 7

Answer 7

It all sums to zero.....

Answer 8

yaaa