Question

calcule X-7/4=-5x/2

Answer 1

$x-7/4= -5x/2 4x-7/4= -5x/2 2*[4x-7] - -20x 8x-14= -20x 28x= 14 x= 14/28 x= 1/2 = 0,5$

Answer 2

x - 7/4 = -5x/2

mmc = 4

4x-7 = -10x

4x+10x =7

14x = 7

x = 7/14 = 1/7