
0, 8(9 + 2x) = 0, 5(2 - 3x) ; 3(2x + 8) - (5x + 2) = 0 ; x - (2x + 3)/2 = (x - 1)/4 |2x - 3| = 5
; |(x - 3)/2 + 5| = 4

Ответы на вопрос

Объяснение:
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It looks like you've provided a series of equations and expressions involving the variable "x." I'll solve each one step by step:
0 = 8(9 + 2x) and 0 = 5(2 - 3x):
First, let's solve the first equation:
0 = 8(9 + 2x)
Divide both sides by 8:
0 = 9 + 2x
Subtract 9 from both sides:
-9 = 2x
Divide by 2:
-4.5 = x
Now, let's solve the second equation:
0 = 5(2 - 3x)
Divide both sides by 5:
0 = 2 - 3x
Subtract 2 from both sides:
-2 = -3x
Divide by -3:
2/3 = x
3(2x + 8) - (5x + 2) = 0:
First, distribute the 3 on the left side:
6x + 24 - (5x + 2) = 0
Now, remove the parentheses:
6x + 24 - 5x - 2 = 0
Combine like terms:
6x - 5x + 24 - 2 = 0
x + 22 = 0
Subtract 22 from both sides:
x = -22
x - (2x + 3)/2 = (x - 1)/4:
Let's first get rid of the fractions by multiplying both sides by 4 (the least common multiple of 2 and 4):
4x - 2(x + 3) = x - 1
Now, distribute the -2 on the left side:
4x - 2x - 6 = x - 1
Combine like terms:
2x - 6 = x - 1
Subtract x from both sides:
x - 6 = -1
Add 6 to both sides:
x = 5
|2x - 3| = 5:
We'll consider two cases, one with the absolute value equal to 5, and one with it equal to -5 (which becomes 5 after taking the absolute value).
Case 1: 2x - 3 = 5
Add 3 to both sides:
2x = 8
Divide by 2:
x = 4
Case 2: 2x - 3 = -5
Add 3 to both sides:
2x = -2
Divide by 2:
x = -1
So, there are two solutions: x = 4 and x = -1.
|(x - 3)/2 + 5| = 4:
We'll consider two cases again.
Case 1: (x - 3)/2 + 5 = 4
Subtract 5 from both sides:
(x - 3)/2 = -1
Multiply both sides by 2:
x - 3 = -2
Add 3 to both sides:
x = 1
Case 2: -(x - 3)/2 - 5 = 4
Add 5 to both sides:
-(x - 3)/2 = 9
Multiply both sides by -2:
x - 3 = -18
Add 3 to both sides:
x = -15
So, there are two solutions: x = 1 and x = -15.
These are the solutions for each equation and expression.


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