Answer:
a) 5xy + 9yz + 3zx + 5x - 4y
Step-by-step explanation:
→ (7xy + 5yz - 3zx) + (4yz + 9zx - 4y) + (-3xz + 5x - 2xy)
→ (7xy - 2xy) + (5yz + 4yz) + (-3zx + 9zx - 3xz) + (5x) + (-4y)
→ 5xy + 9yz + 3zx + 5x - 4y
Hence, option (a) is the correct answer.
I think it's x= -2.5
10/-4= -4x/-4
You need to get x by itself so you need to divide 4 in each side . Shown above
Answer:
30 minutes by bus
Step-by-step explanation:
Equation: b = bus
b = (65 - 5) / 2
b = 60/2
b = 30 mins
Please give Brainliest :)
7x-99=2x+1
5x=100
x=20
mark me brainliest if the answer is correct, thank you in advance :)
Hi friend,
<span>D) (4, 0.1)
Hope this helps you!</span>