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1) let the ratio be 8x and 7x
8x-2=7x
8x-7x=-2
x=-2
8x=-16
7x-2=6x
7x-6x=-2
x=-2
7x=-14
so the numbers are -16 and -14
2)let the no. on one's place be x
so no. on tense place=x+7
x+x+7 =66
2x+7=66
2x=66-7
2x=59
x=29.5
8x-2=7x
8x-7x=-2
x=-2
8x=-16
7x-2=6x
7x-6x=-2
x=-2
7x=-14
so the numbers are -16 and -14
2)let the no. on one's place be x
so no. on tense place=x+7
x+x+7 =66
2x+7=66
2x=66-7
2x=59
x=29.5
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