Answer:
<h2>9) Multiplication</h2><h2>10) </h2><h2>

</h2><h2>11) </h2>

<h2>12) 0.36</h2>
<h2>13) </h2>

<h2>14)</h2>

<h2>15) 5.9</h2>
Step-by-step explanation:
<h2>This might be helpful and believe me dude, these questions are the most important questions for your exams.</h2><h2 /><h2>Keep Studying ☺️❤️</h2>
Answer:
4x+1
Step-by-step explanation:
Collect the like therms and then substract the numbers
Answer:

Step-by-step explanation:
In this exercise, we have two equations, namely:

And we are asked to solve this problem by graphing. In this way, we can write a system of linear equations in two variables, but first of all, let's rewrite:

Then:

So here we have two lines.
The first one is:

This line passes through the origin and has a slope 
The second one is:

This line has a slope
and cuts the y-axis at 
By using graph tools, we get the graph shown below, then:

Answer:
The answer is x = 5
Step-by-step explanation:
I added similar elements, then I subtracted 7 from both sides, next I divided by 5 both sides, and lastly I got x = 5 as my answer.