What I Know Solve the following equations.
1. If +16 is subtracted from a number x, the difference is 48. Find the number.
2. Solve for x: 5x + 6= 30
3. The quotient of a number M divided by
4 is equal to 100. Find the number.
4. A number C divided by 15 is equal to 90. What is the number?
5. The difference between two-thirds of a number and one-sixth of the same number is seventy-five. What is the number?
1. If +16 is subtracted from a number x, the difference is 48. Find the number.
2. Solve for x: 5x + 6= 30
3. The quotient of a number M divided by
4 is equal to 100. Find the number.
4. A number C divided by 15 is equal to 90. What is the number?
5. The difference between two-thirds of a number and one-sixth of the same number is seventy-five. What is the number?
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Answer:
x - 16 = 48
x = 48 + 16
x = 64
5x + 6 = 30
5x = 30 - 6
5x = 24
x = 24/5
M/4 = 100
M = 100 x 4
M = 400
C/15 = 90
C = 90 x 15
C = 1350
(2/3)x - (1/6)x = 75
(4/6)x - (1/6)x = 75
(3/6)x = 75
x = 75 x 2
x = 150