Answer:
×=3
Step-by-step explanation:
3× + × + 8 = 20
4×= 12
divide 4 with 12 and it will be 3
Since the 3 and 7 have 21 as a common multiple you can divide 21 by the denominator of each term and then multiply it by the numerator which get you while numbers
Answer:

Step-by-step explanation:
triángulo 30°-60°-90°








Answer:
x=$5400:8
$5400:8x = total loss after the owners contribution