Question

1)6-3(-5+8)=8 2) 1/2*(х-4/10)=1/8х+4/5

Answer 1

1)

6+15-24=8

-3≠8

2)

$\frac{x}{2} -\frac{1}{5} -\frac{1}{8x}-\frac{4}{5}=0\\\frac{4x^{2}}{8x}-\frac{1}{8x}-\frac{8x}{8x}=0\\x\neq0\\4x^{2}-8x-1=0\\x_{1}=\frac{2-\sqrt{5} }{2}\ \ \ x_{2}=\frac{2+\sqrt{5} }{2}$