Answer:
The solution set is (4, 3)
Step-by-step explanation:
To solve by substitution, start by solving the second equation for y.
2x - y = 5
-y = -2x + 5
y = 2x - 5
Now that we have this, put that expression in for y in the first equation and solve for x.
5x - 2(2x - 5) = 14
5x - 4x + 10 = 14
x + 10 = 14
x = 4
Now that we have the value of x, input it into either equation and solve for y.
2x - y = 5
2(4) - y = 5
8 - y = 5
-y = -3
y = 3
The phrases that can be represented as the algebraic expression, 3n - 3 are: <em>Option 3 and Option 5.</em>
Let's translate each of the given phrases to algebraic expressions in order to determine which of them can be represented as 3n - 3.
<em>Option 1:</em>
3 fewer than n is represented as, n - 3
<em>Option 2:</em>
difference between n and 3 is represented as, n - 3.
<em>Option 3:</em>
3 times n is 3n
3 fewer than 3n is represented as 3n - 3.
<em>Option 4:</em>
product of 3 and n is represented as 3n.
<em>Option 5:</em>
3 less than 3n is represented as 3n - 3.
Therefore, the phrases that can be represented as the algebraic expression, 3n - 3 are: <em>Option 3 and Option 5.</em>
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Learn more about algebraic expression on:
brainly.com/question/2164351
. The rate of change of the cost of the taxi ride is $2.00 per minute.
Answer:
30 girls, 20 boys
Step-by-step explanation:
in the tape diagram, we see a ration of 3:2 girls:boys
To solve, make it an equation`
3x+2x=50
5x=50
x=10
Then you multiply by 3 and 2 to get 30 and 20
Step-by-step explanation:
5(10)+1
50+1
51
10 could be one possible answer