SOLUTION: Find the solution to each system by the addition (elimination) method. Check your answers. 4s-5t=18 6s+10t=-8

Question 536511: Find the solution to each system by the addition (elimination) method. Check your answers.

4s-5t=18
6s+10t=-8

Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
.........(1)
...........(2)
Take (2)

Divide by 2 both sides

...............(3)
Add (1) and (3)

--------------

Divide by 7 both sides

Put the value of s in (1)
.........(1)

Divide by -5 both sides

(s,t)=(2,-2)

Check
====
Put the values of x and y in (2)

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