Answer: 20x+12
Step-by-step explanation:
Distribute the three: 3(7x+4) will be changed to 21x+12-x
Next group like terms, -x+21x=20x
The new equation will be 20x+12
1)
<u> 2-digit number </u> or <u> 3-digit number </u>
4 options x 3 remaining options + 4 options x 3 options x 2 options
= 12 + 24
= 36
Answer: 36 different numbers
2)
<u> 2-digit number </u> or <u> 3-digit number </u>
4 options x 4 options + 4 options x 4 options x 4 options
= 16 + 64
= 80
Answer: 80 different numbers
Answer:
C. x = 5, y = 7
Step-by-step explanation:
Diagonals of a parallelogram bisects each other. Therefore:
, and,
✔️To find the value of x, substitute y = (x + 2) in .
Thus:
Subtract x from each side
✔️To find y, substitute x = 5 in .
Thus: