Michael B.
asked • 01/20/16
if x+y = 156 and x=11xy what is x
Mark M.
answered • 01/20/16
Mathematics Teacher - NCLB Highly Qualified
x + y = 156
x = 11y substitute
11y + y = 156 combine
12y = 156 divide both sides by 12
y = 13
x = 11(13)
x = 143
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