Y=<span>−33/<span>5
</span></span><span><span><span><span>53</span>y</span>+3</span>=<span>−8</span></span>Step 1: Subtract 3 from both sides.<span><span><span><span><span>53</span>y</span>+3</span>−3</span>=<span><span>−8</span>−3</span></span><span><span><span>53</span>y</span>=<span>−11</span></span>Step 2: Multiply both sides by 3/5.<span><span><span>(<span>35</span>)</span>*<span>(<span><span>53</span>y</span>)</span></span>=<span><span>(<span>35</span>)</span>*<span>(<span>−11</span>)</span></span></span><span>y=<span><span>−33</span><span>5</span></span></span>
Answer:
7
Step-by-step explanation:
Answer:
Step-by-step explanation:
-5x-4y=-4 ...(1)
25x+ 20y = 20 ....(2)
multiply (1) by -5 you have : 25x+ 20y = 20 ....(2) same equation , same line
so : The system has infinitely solutions.
You can use expanded form: 4 X 700, 4 X 50, 4 X 4, = 3016.
You can use the Distributive Property of Multiplication: (4 X 500) + (4 X 254) = 3016.
Answer:
p = -0.05x+22
Step-by-step explanation:
The general linear equation of price-demand is
(1) <em>p = mx + b
</em>
<em>
</em>
where x is the demand of cards in units when they are sold at x dollars.
If for every additional card they wish to sell they need to drop the price by $0.05, then
(2) p-0.05 = m(x+1)+b
To sell 360 cards they need to set the price at $4, so
(3) 4 = m.360+b
We need to find m and b.
Operating on eq. (2) we have
p-0.05 = mx+m+b
mx+b-0.05 = mx+m+b
m = -0.05
Replacing this value in (3)
4 = (-0.05)360 +b
4 = -18+b
b = 22
So, the linear equation relating price p to demand x is
p = -0.05x+22
See graph attached.