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2276 days ago by matrix
var('a,b') eq1=5*a+1*b==2 eq2=9*a+4*b==-3 eq3=5*a+2*b==-1 eq4=15*a+3*b==6 solve([eq1, eq2, eq3,eq4], a,b)
[[a == 1, b == -3]]
[[a == 1, b == -3]]