Answer: x= 19
Step-by-step explanation:
Answer:
19
Since 7 is negative, you would have to add 7 to 12 giving you 19. To check if this is correct just replace x with 19. ( so 19 - 7= 12)
multiply the numerator and the denominator of each fraction by the same number till the denominators are the same number.
30
60+90=150
180-150=30
