The 1st option is your answer,
because to solve c, the -11 and 11 = 0, so your left with adding 23 and 11, then you divide -4 on both sides to get the variable (x) by itself
And for f, you only need to divide -4 on both sides to get x by itself.
<span>With no digit being repeated: 10*9*8*7*6= 30,240</span>
Answer:
x+=(y)=x
Step-by-step explanation:
