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The sum of two numbers is the same as four times the smaller number. If twice the larger is decreased by the smaller number, the result is 30. Find the missing numbers

Sagot :

25sp1224idn

Answer:

x = 6

y = 18

Step-by-step explanation:

Equations : x + y =4x & 2y - x = 30

Rearrange:

y = 3x & x = 2y - 30

Substitute

y = 3(2y-30)

y = 6y - 90

5y = 90

y = 18

x = 2y-30 = 2*18-30 = 6

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