Answer:
j = 10
Step-by-step explanation:
You add 7 to both sides then divide both sides by -2
Answer:
21
Step-by-step explanation:
Let x = the number
12x-12 = 240
12x = 252
x = 21
Answer:
5+9+-23
Step-by-step explanation:
because the denominator is on the bottom, you have to find a number which both 12 and 9 can be divided by. In this case the only answer that isn't a decimal is 3