allerySolve for x: x = (4/5)(x + 10)
Ax = 8
Bx = 40
Cx = 50
Dx = 10
Answer & Solution
Correct answer: B. x = 40
Multiply both sides by 5: 5x = 4(x + 10) = 4x + 40. Transpose 4x: x = 40. Distractor 50 forgets to subtract 4x
8 mistakenly divides 40/5.
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