7
algebra

Solve: 5(x+2)−3x=185(x + 2) - 3x = 18

A

2

B

4

C

8

D

6

Correct Answer: B

Choice Dhoice C is the correct answer.

  1. Distribute: 5x+10−3x=185x + 10 - 3x = 18
  2. Combine: 2x+10=182x + 10 = 18
  3. Subtract 10: 2x=82x = 8
  4. Divide by 2: x=4x = 4
  5. Verify: 5(6)−12=30−12=185(6) - 12 = 30 - 12 = 18 ✓

Choice Dhoice B is incorrect because calculation error.

Choice Dhoice C is incorrect because calculation error.

Choice Dhoice D is incorrect because calculation error.

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Linear Functions Set 14