Answer:
Step-by-step explanation:
23= 7/9 x 6x -36 +9
23-9=42x/9 -36
14=42x/9 -36
14+36=42x/9
50= 42x/9
42x / 9 =50
42x =50 x9
42x =450
x= aprox. 10,714
