101k views
4 votes
2x-y=17
X-y= 10
Using the elimination method

2 Answers

5 votes
easy just subtract 2x from each side then divide
User Tocallaghan
by
7.8k points
6 votes
2x-y=17
x-y=10

2x-y=17
-2(x-y)=-2(10)
-2x+2y=-20
(cross out the -2x's)
-y=17
+2y=-20
y=3
(plug 3 into y to find x)
(3)-y=10
-y=7
y=-7
x=3 & y=-7


User Diego Magdaleno
by
7.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories