Question

решите пж \dfrac{ 1-x }{ 2 } -2 \left( 3-4x \right) -6,5 \left( x-1 \right) = 2x

Answer 1

$\dfrac{ 1-x }{ 2 } -2 \left( 3-4x \right) -6,5 \left( x-1 \right) = 2x$

$1-x -2*2(3-4x)-2*6,5(x-1)=2*2x$

$1-x -12+16x-13x+13=4x$

$2+2x=4x$

$2x-4x=-2$

$-2x=-2$

$x=-2:(-2)$

$x=1$

Ответ: 1