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Zarrin [17]
3 years ago
6

Name the property of equality that justifies: If x = 3 and y = x + 5, then y = 8

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0
Substitution. This is because we put in x as 3 in the equation.

Hope this helps!
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What is the equation of the line that passes through (-3,7) and (1,-1)
balandron [24]

Answer: y = -2x + 1  or y +2x - 1 = 0

Step-by-step explanation

Recall, equation of a line passing through two coordinates is

y - y₁ =  y₂ - y₁              ( x - x₁ )

           ₋₋₋₋₋₋₋₋     x  

           x₂ - x₁

note , (x₁ = -3), (x₂ = 1), (y₁ = 7), (y₂ = -1)

Now substitute for those values in the above equation

y - (7) = -1 - 7

            ------         X  ( x - (-3)

            1 - (-3)

y - 7   =  -8/4  X  ( x + 3 )

y - 7   = -2(x + 3 )

y - 7   = -2x - 6

The equation now

y  =  -2x -6 + 7

y = -2x + 1  or

y + 2x - 1 = 0.

6 0
3 years ago
Translate the equation and solve plz
Kryger [21]

Answer: 3?

Step-by-step explanation:

4+7= 11 and 11×3 is 33. You can spend 33 dollars for 3 tickets.

6 0
3 years ago
What is the solution to the equation below? <br>please help!!​
Zanzabum

Answer:

Have you tried photo math.? It can help you find the answer

3 0
2 years ago
Read 2 more answers
Which of the following points satisfies the inequality x ≥ -3? (Select all that apply.)
Vedmedyk [2.9K]
All the x coordinated are 0, 5, -3, and -4.
0, 5, and -3 are all greater than or equal to -3
5 0
3 years ago
X=7 what is 3x pleasee help i need this by tomorrow ​
Romashka [77]

Answer:

x = 7 \\ 3x = 3(7) = 21

hope helpful <3

4 0
2 years ago
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