Question

Solve the equation for x
-x = 5 - 7x - 17

Answer 1

x = -2

Explanation:

`- x = 5 - 7x - 17`

`- x = - 12 - 7x`

`- x + 7x = - 12`

`6x = - 12`

`x = - 2`

Answer 2

`x=-2`

Explanation:

`-x=5-7x-17`

⇨ Group like terms:-

`-x=-7x+5-17`

⇨ Subtract 5-17=-12:-

`-x=-7x-12`

⇨ Add 7x from both sides:-

`-x+7x=-7x-12+7x`

`6x=-12`

⇨ Divide both sides by 6:-

`(6x)/(6)=(-12)/(6)`

`x=-2`

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