100-86= 8276-528= 973-388= 217-53= 4719-754= 3176-834= 174-75= 271-75= 3176-624= 4288-723= x-43=15 25-x=17 481-471=x 4281-865=x y-58=25 52-y=26 a-74=26

`100-86= 14`

`8276-528= 7748 `

`973-388= 585 `

`217-53= 164 `

`4719-754= 3965 `

`3176-834=2342 `

`174-75=99`

`271-75= 196 `

`3176-624= 2552 `

`4288-723= 3565 `

a, `x - 43 = 15 `

` x = 15 + 43 `

` x = 58 `

b, ` 25 - x = 17 `

` x = 25 - 17 `

`x = 8 `

c, ` 481 - 471 = x `

` 10 = x `

d, `4281 - 865 = x `

` 3416 = x `

e, ` y - 58 = 25 `

` y = 25 + 58 `

` y = 83 `

g, ` 52 - y = 26 `

` y = 52 - 26 `

` y = 26 `

f ,  ` a - 74 = 26 `

` a = 26 + 74 `

` a = 100` 

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