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01-09-2017
Social Studies

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find five consecutive even integers if the sum of the first and fifth is 2 less than three times the fourth

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01-09-2017

if x is the first even integer, the 5 consecutive even integers are
x, x+2, x+4, x+6, x +8

x+(x+8) = 3(x+6)-2
2x+8 = 3x+18-2
2x+8 = 3x+16
-x = 8
x = -8
hence the no.s are -8, -6, -4, -2, 0

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