Câu hỏi của Lê Minh Tuấn

Question

Hquynh · Accepted Answer

$2\left(x-1\right)-3\left(2x+2\right)-4\left(2x+3\right)=16\
=>2x-2-6x-6-8x-12=16\
=>\left(2x-6x-8x\right)+\left(-2-6-12\right)=16\
=>-12x-20=16\
=>-12x=16+20\
=>-12x=36\
=>x=36:\left(-12\right)\
=>x=-3$Câu trả lời: $2\left(x-1\right)-3\left(2x+2\right)-4\left(2x+3\right)=16\
=>2x-2-6x-6-8x-12=16\
=>\left(2x-6x-8x\right)+\left(-2-6-12\right)=16\
=>-12x-20=16\
=>-12x=16+20\
=>-12x=36\
=>x=36:\left(-12\right)\
=>x=-3$

YangSu · Answer

$2\left(x-1\right)-3\left(2x+2\right)-4\left(2x+3\right)=16$$\Leftrightarrow2x-2-6x-6-8x-12-16=0$$\Leftrightarrow-12x-36=0$$\Leftrightarrow-12x=36$$\Leftrightarrow x=-3$Câu trả lời: $2\left(x-1\right)-3\left(2x+2\right)-4\left(2x+3\right)=16$$\Leftrightarrow2x-2-6x-6-8x-12-16=0$$\Leftrightarrow-12x-36=0$$\Leftrightarrow-12x=36$$\Leftrightarrow x=-3$

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