-2x-6y(x+10)=-12

what is the x of the equation?
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Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl