Answer:
4
Step-by-step explanation:
Hey friend!
Let's figure this out!
The best estimate for the product 289 and 7 is 2,900.
290 x 10 = 2,900.
You must round the multiplicand and multiplier to come up with the best estimate.
Hope this helps!
Ok, MissWalker! Please try your best to understand this, it may get confusing.
I have solved this on a different website, and here is my solving in a picture. I hope I helped!!! :D
Can you fix this problem first so I can do it for you?
The first part of the second line, she left the -5 there. The correct work and solution should be this:
5(2x-1)-3x=5x+9
<span><span>7x</span>−5</span>=<span><span>5x</span>+<span>9
</span></span>2x-5=9
2x=14
x=7