Solve 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.
Related questions
Solve for f: 0.25(4f − 3) = 0.05(10f − 9)The present age of a father is twice the present age of his son. Five years ago, the fatheTwo angles of a triangle are equal, and the third angle is greater than each of them by 30The sum of three consecutive multiples of 11 is 363. What is the largest of these three muSolve for z: 3(5z − 7) − 2(9z − 11) = 4(8z − 13) − 17Solve for x: (x − 5)/3 = (x − 3)/5Solve for y: 2y + 5/3 = 26/3 − ySolve for x: (2x/3) + 1 = (7x/15) + 3