Work seriously and you will be eable to answer
We can use proportions
12/x = 10/5
12*5 = 10x
60 = 10x
x = 6
Check
12/6 = 10/5
2 = 2
X+79=98 (subtract 79 to isolate x)
X=19 so it is false
C I think so sorry if I’m wrong
Z = 7
As given,
19 = z + 12
19 - 12 = z
7 = z
z = 7
