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subsitution method
Can some one show me how to use the Substitution method to solve the system of these equations. x + y = 4 x  y = 2 x + y = 10 y = x + 8 on the first set. Solve for either x or y in either equation, then put that value into the other … 
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solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has no solution or an infinite number of solutions, please help me understand it. 
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How would you solve the problem below using the subsitution method? 
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solve by using subsitution: 4x+y=2 3y+2x=1 
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solve by using subsitution: 4x+y=2 3y+2x=1 
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solve by using subsitution: 4x+y=2 3y+2x=1 
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solve by using subsitution: 4x+y=2 3y+2x=1 
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solve by using subsitution: 4x+y=2 3y+2x=1 
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explain how you solve 11x=3y=12 using 3x=9 as subsitution 
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A relief package is released from a helicopter at 1600 feet. The height of the package can be modeled by the equation h(t)= 16t^2+1600 where h is the height of the package in feet and t is the time in seconds. The pilot wants to know …