Bantu jawab ya kak pliiisss

Bantu jawab ya kak pliiisss

Jawaban:

1.)

$frac{x + 7}{2x - 1} = 2$

$x + 7 = 2(2x - 1)$

$x + 7 = 4x - 2$

$x - 4x = - 2 - 7$

$- 3x = - 9$

$x = 3$

2.)

$|2x - 5| = 3 + 2 |7 - x|$

$2x - 5 = 3 + 14 - 2x$

$2x - 5 = 17 - 2x$

$2x + 2x = 17 + 5$

$4x = 22$

$x = frac{11}{2}$