dpaul2839p099dq dpaul2839p099dq

06-12-2017
Mathematics

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How would I solve this by elimination

How would I solve this by elimination class=

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generalbiscuit generalbiscuit

06-12-2017

4x-12y=16
+. -4x+4y=8. 4x+(-4x)=0 rewrite
-12y=16
+ 4y=8. -12y+4y=-8y. 16+8=24 rewrite
-8y=24 divide -8 from both sides 24/-8=-3 Y=-3 and to find x just plug -3 into y if u want me to do I can!
Hope this helps

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201889992 201889992

06-12-2017

-8y=24
Y=-3
4x-12(-3)=16
4x+36=16
4x=-20
X=-5

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