How do you solve 5x−3y=8 and −6x+y=20 using substitution?
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1-by let first equation as first a d second equation as second
2-put the value of x or y from equation 1 or 2.
ex---from 1 we put the value of x
X- 8+3y/5
3- then put this value of x in equation 1 and solve.
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