solve this equation 2=7+b/4

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The equation `2=7+b/4` has to be solved.

`2=7+b/4`

Subtract 7 from both the sides

`2- 7 = 7 + b/4 - 7`

=> `-5 = b/4`

Multiply both sides by 4

=> `-5*4 = (b/4)*4`

=> `-20 = b`

The solution of the equation is `b =-20`

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