Question

por fa :d

$11-6k=-13$
$21=12z-15$
$-7x-15=20$

Answer 1

1) -6k=-13-11
-6k=-24
K=-24/-6
K=24/6
K=4

2) 21+14=12z
36=12z
36/12=z
3=z
Z=3

3)-7x=20+15
-7x=35
X=-35/7
X=-5