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the sum of two numbers is 50 the first number is 43 less than twice the second number write and solve a system of equations to find the two numbers

Sagot :

a + b = 50
a = 2b - 43
2b - 43 + b = 50
      +43         +43
3b = 93
b = 31
(31 x 2) - 43 = 19
a = 19   b = 31
31 + 19 = 50
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