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A) Simplifying the left side of the equation, we get:
8x - 7x + 10 = x + 10
Now, we can subtract 10 from both sides:
x + 10 - 10 = 13 - 10
x = 3
Therefore, the solution to the equation is x = 3.
b) Following the same steps as in part (a), we simplify the left side of the equation:
3y - y + 16 = 2y + 16
Then, we can subtract 16 from both sides:
2y = 32 - 16
2y = 16
Finally, we divide both sides by 2:
y = 8
So, the solution to the equation is y = 8.
c) To solve this equation, we need to isolate the variable R on one side of the equation. We can start by multiplying both sides by R - 82:
525 = 23(R - 82)
Next, we can distribute the 23 on the right side:
525 = 23R - 1886
Then, we can add 1886 to both sides:
525 + 1886 = 23R
2411 = 23R
Finally, we divide both sides by 23:
R = 2411/23
R ≈ 104.83
Therefore, the solution to the equation is R ≈ 104.83.
8x - 7x + 10 = x + 10
Now, we can subtract 10 from both sides:
x + 10 - 10 = 13 - 10
x = 3
Therefore, the solution to the equation is x = 3.
b) Following the same steps as in part (a), we simplify the left side of the equation:
3y - y + 16 = 2y + 16
Then, we can subtract 16 from both sides:
2y = 32 - 16
2y = 16
Finally, we divide both sides by 2:
y = 8
So, the solution to the equation is y = 8.
c) To solve this equation, we need to isolate the variable R on one side of the equation. We can start by multiplying both sides by R - 82:
525 = 23(R - 82)
Next, we can distribute the 23 on the right side:
525 = 23R - 1886
Then, we can add 1886 to both sides:
525 + 1886 = 23R
2411 = 23R
Finally, we divide both sides by 23:
R = 2411/23
R ≈ 104.83
Therefore, the solution to the equation is R ≈ 104.83.
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3 мая 2023 14:06
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