can someone show how to set up the equation to solve this word problem please. One number is 4 more than another number. Find the two if two times the larger number is 7 less than 5 times the smaller. the books solution is 5 & 9
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Originally Posted by jwarfield09 can someone show how to set up the equation to solve this word problem please. One number is 4 more than another number. Find the two if two times the larger number is 7 less than 5 times the smaller. the books solution is 5 & 9 Hi , lets call the 2 numbers x and y . y=x+4 --1 Then we know that y is the larger one and x is the smaller one . 2y=5x-7 ---2 Then solve the simultaneous equation .
Originally Posted by mathaddict Hi , lets call the 2 numbers x and y . y=x+4 --1 Then we know that y is the larger one and x is the smaller one . 2y=5x-7 ---2 Then solve the simultaneous equation . But, if you want a single equation.... Let x = smaller number Let x + 4 = the larger number 2(x + 4) = 5x - 7
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