Answer:
x = 28
Step-by-step explanation:
12/8 = (x-7)/14
Cross multiply.
8(x-7) = 12 × 14
Expand and multiply.
8x - 56 = 168
Add 56 on both sides.
8x = 168 + 56
8x = 224
Divide 8 into both sides.
x = 224/8
x = 28
4/6 can reduce to 2/3. (divide each by 2)
14/21 can reduce to 2/3 by dividing the nume/denominator by 7.
in this case, they are proportional.
Answer: 54
Step-by-step explanation:
3 times the square of -3 plus -5 times -3 plus 12
3 times 9 + 15 + 12
27+15+12=
54
(2,3) is your answer for the equation
