Answer:
16
Step-by-step explanation:
y = 7
4(7)-12
28-12 = 16
Answer:
22 people
Step-by-step explanation:
Using the concept of a Venn Diagram, you place the 3 people in the intersection. Then, you subtract the three from both groups to keep the balance.
Since you said "or", you just add the entirety of the population.

Answer:
B) 868
Step-by-step explanation:
1. You add 700+300 which is 1000
2. You subtract the amount wasted or withdrawn which will get you 880
3. You subtract the fees which will then get you 868 as your answer
To solve for X you need to simplify both sides on the equation
<span><span><span>23</span><span>(<span><span>4x</span>−5</span>)</span></span>=8
</span><span><span><span><span>(<span>23</span>)</span><span>(<span>4x</span>)</span></span>+<span><span>(<span>23</span>)</span><span>(<span>−5</span>)</span></span></span>=8 *</span>Distribute*
<span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>=<span>8
after that you add 10/3 on both sides
</span></span><span><span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>+10/3</span>=<span>8+10/3</span></span><span><span><span>8/3</span>x</span>=<span>34/<span>3
finally multiply 3/8 on both sides
</span></span></span><span><span>(<span>3/8</span>) x </span><span>(<span><span>8/3</span>x</span>)</span></span>=<span><span>(<span>3/8</span>) x </span><span>(<span>34/3</span><span>)
and your answer should be
X= 17/4
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