2. 职称英语
  3. Solve the equation for x: 2(x-3)+9=4x-7[img]2014m5x/ct_egreqm_egreqjs_0011_2013

Solve the equation for x: 2(x-3)+9=4x-7[img]2014m5x/ct_egreqm_egreqjs_0011_2013

游客2025-02-24  53
问题 Solve the equation for x: 2(x-3)+9=4x-7
选项
答案 5
解析 The correct answer is 5. To solve this problem, isolate x on the left side of the equation by performing the necessary calculations:
2(x-3)+ 9=4x-7
First, distribute the 2:
2x-6+9=4x-7
Next, perform the addition on the left side:
2x+3=4x-7
Now, subtract 3 from both sides:
2x=4x-10
Next, subtract 4x from each side:
-2x=-10
Finally, divide both sides by -2:
x=5
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