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Solnce55 [7]
3 years ago
10

Solve the system of equations by substitution. Show all work neatly on your work page. Checking your answer is wise. :) Plz need

this for a test
3x + 2y = 7

y = -3x +11
Mathematics
1 answer:
vivado [14]3 years ago
7 0

Answer: x = 1

3x + 4 = 7

subtract 4 from both sides

3x = 3

x = 3/3 = 1

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Solve the equation. Check your answers.<br>29=7x+5-4x​
Vladimir [108]

Answer:

x = 8

Step-by-step explanation:

29=7x + 5 -4x

add like terms: 29 = 3x +5

get your x variable on one side

24 = 3x

divide by 3

x = 8

check!

29 = 7(8) + 5 -4(8)

29 = 56 + 5 -32

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29 = 29

6 0
3 years ago
I need help on what to put in the boxes.
Leona [35]
Just divide the y numbers by the x numbers and that's it
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mariarad [96]
Plus or minus 3. (The 1st answer)

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6*9=54

7 0
3 years ago
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A garden table and a bench cost 649 combined. The garden table costs 51 less than the bench. What is the cost of the bench?
dalvyx [7]

Answer:

598

Step-by-step explanation:

garden table 51

the bench?

51+598

6 0
3 years ago
For the sphere shown, r = 4.2 cm.<br> What is its volume, to the nearest cubic centimeter?
DochEvi [55]
V = 4/3(pi)(r^3)
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Good luck!
8 0
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