2x-¼=9➗3-1¾解方程？
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解答:2x-1/4=9/3-1又3/4
方程两边同乘以12得:
24x-3=36-21
移项，合并同类项得:
24x=18
x=3/4
方程两边同乘以12得:
24x-3=36-21
移项，合并同类项得:
24x=18
x=3/4
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2x－1/4=9÷3－1又3/4
解: 2x－1/4=3－1又3/4
2x－1/4=1又1/4
2x=1又1/4+1/4
2x=3/2
2x÷2=3/2÷2
x=3/4
解: 2x－1/4=3－1又3/4
2x－1/4=1又1/4
2x=1又1/4+1/4
2x=3/2
2x÷2=3/2÷2
x=3/4
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Let's solve the equation step by step.
First, we can simplify both sides of the equation:
2x - 1/4 = 9 - 3 + 1/2
Next, we combine like terms:
2x - 1/4 = 6 + 1/2
Now, let's get rid of the fraction on the right side by finding a common denominator:
2x - 1/4 = 12/2 + 1/2
2x - 1/4 = 13/2
Now, let's get rid of the fraction on the left side by multiplying both sides by the common denominator, which is 4:
4(2x - 1/4) = 4(13/2)
This simplifies to:
8x - 1 = 26
Now, let's isolate the variable:
8x = 26 + 1
8x = 27
Finally, we solve for x by dividing both sides by 8:
x = 27/8
Therefore, the solution to the equation is x = 27/8.
First, we can simplify both sides of the equation:
2x - 1/4 = 9 - 3 + 1/2
Next, we combine like terms:
2x - 1/4 = 6 + 1/2
Now, let's get rid of the fraction on the right side by finding a common denominator:
2x - 1/4 = 12/2 + 1/2
2x - 1/4 = 13/2
Now, let's get rid of the fraction on the left side by multiplying both sides by the common denominator, which is 4:
4(2x - 1/4) = 4(13/2)
This simplifies to:
8x - 1 = 26
Now, let's isolate the variable:
8x = 26 + 1
8x = 27
Finally, we solve for x by dividing both sides by 8:
x = 27/8
Therefore, the solution to the equation is x = 27/8.
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