Answer:
-8
Step-by-step explanation:
5(x+12)= 20
5x+60= 20
5x= -40
x= -8
Answer:
2x + 1=13
Step-by-step explanation:
the product of a number and 2 (2x)
sum of 1 (+1)
is 13 (=13)
The answer to the question is D
So the ratios are 5:5 and 3:5 so the fractions are 5/10 (1/2) for 7th grade and 5/8 for 8th grade