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elena-14-01-66 [18.8K]
3 years ago
7

HELPPPPPPP MEEEEE BUT PUT THE CORRECT ANSWER

Mathematics
1 answer:
Elenna [48]3 years ago
3 0

Answer:

\sf 3\left[-x+\left(2x+1\right)\right]=x-1

\sf 3\left(-x+2x+1\right)=x-1

Combine like terms:

\sf -x+2x=x

\sf 3\left(x+1\right)=x-1

Expand:

\sf 3x+3=x-1

Subtract 3 from both sides:

\sf 3x+3-3=x-1-3

\sf 3x=x-4

Subtract x from both sides:

\sf 3x-x=x-4-x

\sf 2x=-4

Divide both sides by 2:

\sf \cfrac{2x}{2}=\cfrac{-4}{2}

\boxed{\boxed{ \sf x=-2}}

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