Question

16х=-4
4=0*х

10х-8=0
2х+6=0
-4х-7=0

Answer 1

16x-4=0
16x=4
x=4/16=1/4


10x-8=0
10x=8
$x = \frac{8}{10} = \frac{4}{5}$
$2x + 6 = 0 \\ 2x = - 6 \\ x = - 3$
$- 4x - 7 = 0 \\ - 4x = 7 \\ x = - \frac{7}{4} = 1.75$