Question 106754
1.Find two consecutive odd integers whose sum is 116?
x=1st odd integer
x+2=2nd integer
x+x+2=116
2x+2=116
2x=114
x=57 -1st integer
x+2=57+2=59 -2nd integer
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2.Find two consecutive even integers whose sum is 126?
x=1st even integer
x+2=2nd integer
x+x+2=126
2x+2=126
2x=124
x=62 - first integer
62+2=64 - second integer
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3.Find four consecutive odd integers whose sum is 8?
x+(x+2)+(x+4)+(x+6)=8
4x+12=8
4x=-4
x=-1 first integer
-1+2=1 -second integer
-1+4=3 -third integer
-1+6=5 -fourth integer
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4.Find three consecutive even integers whose sum is 396?
x+(x+2)+(x+4)=396
3x+6=396
3x=390
x=130 -first integer
130+2=132 -second integer
130+4=134 -third integer
:)