Question

resolva essa equaçao
x\5+x\2=7\10

Answer 1

Resposta:

x/5 + x/2 = 7/10

(mmc) 2x/10+5x/10=7/10

2x+5x=7

7x=7

x=7/7

x=1

Explicação passo a passo:

espero ter ajudado :)

Answer 2

$\mathsf{\dfrac{x}5+\dfrac{x}2=\dfrac7{10}}\\\\\mathsf{mmc(5,2,10)=10}\\\mathsf{10\left(\dfrac{x}5+\dfrac{x}2\right)=10\cdot\dfrac7{10}}\\\\\mathsf{10\cdot\dfrac{x}5+10\cdot\dfrac{x}2=7}\\\\\mathsf{2x+5x=7}\\\mathsf{7x = 7}\\\mathsf{x = \dfrac77}\\\\\large\boxed{\boxed{\mathsf{x=1}}}$