Question

6 x sobre 2 + 3x + 4 x = 0
alguém pode me ajudar ?

Answer 1

Solução:

$\mathsf{\dfrac{6x}{2}+3x+4x=0}\\\\\\\mathsf{\dfrac{6x}{2}+\dfrac{2\cdot 3x}{2}+\dfrac{2\cdot 4x}{2}=0}\\\\\\\mathsf{\dfrac{6x}{2}+\dfrac{6x}{2}+\dfrac{8x}{2}=0}\\\\\\\mathsf{\dfrac{6x+6x+8x}{2}=0}\\\\\\\mathsf{\dfrac{12x+8x}{2}=0}\\\\\\\mathsf{\dfrac{20x}{2}=0}\\\\\\\mathsf{10x=0}\\\\\\\mathsf{x=\dfrac{0}{10}}\\\\\\\boxed{\mathsf{x=0}}\: \: \checkmark$