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Sagot :
Let's solve the equation step-by-step to find the value of [tex]\( x \)[/tex]:
The given equation is:
[tex]\[ -3x + 7x - 8 = 34 + 9x - 2 \][/tex]
First, we simplify both sides of the equation.
On the left side:
[tex]\[ -3x + 7x - 8 = 4x - 8 \][/tex]
On the right side:
[tex]\[ 34 + 9x - 2 = 9x + 32 \][/tex]
Now, we have the equation:
[tex]\[ 4x - 8 = 9x + 32 \][/tex]
Next, we need to get all the terms involving [tex]\( x \)[/tex] on one side and the constant terms on the other side. Subtract [tex]\( 9x \)[/tex] from both sides:
[tex]\[ 4x - 9x - 8 = 32 \][/tex]
This simplifies to:
[tex]\[ -5x - 8 = 32 \][/tex]
Next, add 8 to both sides of the equation to isolate the term with [tex]\( x \)[/tex]:
[tex]\[ -5x = 32 + 8 \][/tex]
This simplifies to:
[tex]\[ -5x = 40 \][/tex]
Finally, solve for [tex]\( x \)[/tex] by dividing both sides by -5:
[tex]\[ x = \frac{40}{-5} = -8 \][/tex]
Therefore, the solution to the equation is:
[tex]\[ x = -8 \][/tex]
The correct answer is:
[tex]\[ \boxed{B. \, x = -8} \][/tex]
The given equation is:
[tex]\[ -3x + 7x - 8 = 34 + 9x - 2 \][/tex]
First, we simplify both sides of the equation.
On the left side:
[tex]\[ -3x + 7x - 8 = 4x - 8 \][/tex]
On the right side:
[tex]\[ 34 + 9x - 2 = 9x + 32 \][/tex]
Now, we have the equation:
[tex]\[ 4x - 8 = 9x + 32 \][/tex]
Next, we need to get all the terms involving [tex]\( x \)[/tex] on one side and the constant terms on the other side. Subtract [tex]\( 9x \)[/tex] from both sides:
[tex]\[ 4x - 9x - 8 = 32 \][/tex]
This simplifies to:
[tex]\[ -5x - 8 = 32 \][/tex]
Next, add 8 to both sides of the equation to isolate the term with [tex]\( x \)[/tex]:
[tex]\[ -5x = 32 + 8 \][/tex]
This simplifies to:
[tex]\[ -5x = 40 \][/tex]
Finally, solve for [tex]\( x \)[/tex] by dividing both sides by -5:
[tex]\[ x = \frac{40}{-5} = -8 \][/tex]
Therefore, the solution to the equation is:
[tex]\[ x = -8 \][/tex]
The correct answer is:
[tex]\[ \boxed{B. \, x = -8} \][/tex]
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