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5x-y=-1 + -5x+3y=25 this is elimination two variable
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5x-y=-1 + -5x+3y=25
this is elimination two variable

User Waldelb
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5x-y=-1 +(-5x)+3y=25 5x-5x=0 -y+3y=2y -1+25=24 2y=24 divide each side by 2 and the answer is y=12 plug in 12 for y and solve for x 5x-12=-1 5x=11 x=11/5
User Pooria Haddad
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