Answer: (7, 20)
Concept:
There are three general ways to solve systems of equations:
- Elimination
- Substitution
- Graphing
Since the question has specific requirements, we are going to use <u>substitution </u>to solve the equations.
Solve:
<u>Given equations</u>
y = 3x - 1
2x + 6 = y
<u>Substitute the y value since both equations has isolated [y]</u>
2x + 6 = 3x - 1
<u>Add 1 on both sides</u>
2x + 6 + 1 = 3x - 1 + 1
2x + 7 = 3x
<u>Subtract 2x on both sides</u>
2x + 7 - 2x = 3x - 2x
<u>Find the value of y</u>
y = 3x - 1
y = 3(7) - 1
y = 21 - 1
Hope this helps!! :)
Please let me know if you have any questions
Its increasing by 4 so it is 4x
The y intercept(other missing value) is 18
34-4=30
30-4=26
26-4=22
22-4=18
So its 4x+18
Answer:
30
Step-by-step explanation:
When solving the perimeter you add up all the numbers on the outside of the shape
Answer:
The ratio of girls to boys is 16:15
Step-by-step explanation:
To find this, we simply start by using the words.
Girls:Boys
Now we plug in the values.
16:15