Question

137 + 5 . ( 45 -3 . x ) = 237

Answer 1

137 + 5(45-3x)=237

5(45-3x)=100

45-3x=20

3x=25

x=25/3

Answer 2

137 + 5 . ( 45 - 3 . x ) = 237

5 . ( 45 - 3 . x ) = 237 - 137

5 . ( 45 - 3 . x ) = 100

( 45 - 3 . x ) = 100 : 5

( 45 - 3 . x ) = 20

3 . x = 45 - 20

3 . x = 25

x = 25 : 3 

x = $\dfrac{25}{3}$.

Answer 3

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Answer 4

`137 + 5 . ( 45 - 3.x) = 237`

`5 . ( 45 - 3.x) = 237 - 137`

`5 . ( 45 - 3.x) = 100`

`45 - 3.x = 100 : 5`

`45-3.x = 20`

`3.x =45 - 20`

`3.x = 25`

`x= 25:3`

`x=25/3`