15x-10=20
+10 +10
15x=30
\15 /15
x=2
you add 10 to both -10 (they cancek eachother out) and 20 (equals 30)
Then you divide 30 by 15 (equals 2) and 15 by 15 (they cancel eachother out)
Then you get x=2
Answer:
Step-by-step explanation: answer is B
The answer is B because it includes all of the numbers correctly
Answer:
its 23
Step-by-step explanation:
its 12+11 because two negatives make a positive
