Question

$5x - 10 = 10$
$4y - 5 = 3y + 1$
$2(2x - 3) = 2x - 10$
$2x - 3 = 6 + x$
$2(2x - 3) = 6x$
$4(x - 10) = - 6(2 - x) - 6x$
ayudame y doy corona 21 puntos​

Answer 1

$5x - 10 = 10 \\ 5x = 10 + 10 \\ 5x = 20 \\ x = 4$

$4y - 5 = 3y + 1 \\ 4y - 3y = 1 + 5 \\ y = 6$

$2(2x - 3) = 2x - 10 \\ 4x - 6 = 2x - 10 \\ 4x - 2x = - 10 + 6 \\ 2x = - 4 \\ x = - 2$

$2x - 3 = 6 + x \\ 2x - x = 6 + 3 \\ x = 9$

$2(2x - 3) = 6x \\ 4x - 6 = 6x \\ - 6 = 6x - 4x \\ - 6 = 2x \\ - 3 = x$

$4(x - 10) = - 6(2 - x) - 6x \\ 4x - 40 = - 12 + 6x - 6x \\ 4x - 40 = - 12 \\ 4x = - 12 + 40 \\ 4x = 28 \\ x = 7$