(1) 3x+4x = 14 Solution
(2) 3x+4-6x = 46 Solution
(3) 2x-5-x+7 = 12 Solution
(4) 2y-15+3y+3 = 24 Solution
(5) 3x+2(x-3) = -8 Solution
(6) 2(a+3)+3(a-2) = 18 Solution
(7) x + (x/2) = 3 Solution
(8) 3x + (x/2) = 15 Solution
(9) x - (x/3) = 4 Solution
(10) 2x - (x/4) = 14 Solution
(11) When seven times a certain number is subtracted from 15, the result is -4. Find the number.
(12) Four times a certain number, minus 5 is equal to 7 more than twice the number. What is the number ?
(1) x = 2 (2) x = -17 (3) x = 10 (4) y = 36/5 (5) x = -2/5 (6) a = 18/5 |
(7) x = 2 (8) x = 30/7 (9) x = 6 (10) x = 8 (11) x = 19/4 (12) x = 6 |
(1) 5/x - 1/3 = 1/x Solution
(2) 1/6x2 = 1/3x2 - 1/x Solution
(3) 3/x = 2/(x + 4) Solution
(4) 3/(x + 2) + 5 = 4/(x + 2) Solution
(5) 2x/(x + 4) - 3 = -12/(x + 4) Solution
(6) 14/(2 – x) = 2/x Solution
(7) 2/(x - 4) + 2 = 6/(x - 4) Solution
(8) (x + 2)/(x + 1) - x = -6/(x + 1) Solution
(9) 2 - 1/[x(x + 1)] = 3/(x + 1) Solution
(10) x/(x + 2) + 2/(x2 + 5x + 6) = 5/(x + 3) Solution
(1) x = 12 (2) x = 1/6 (3) x = -12 (4) x = -9/5 (5) x = 0 |
(6) x = 1/16 (7) x = 6 (8) x = -2√2 or 2√2 (9) x = -1/2 or 1 (10) x = 4 or -2 |
(1) Sum of two numbers is 95. If one exceeds the other by 15, find the numbers.
(2) Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers ?
(3) If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. What is the number.
(4) The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its width. What are the length and the width of the pool ?
(5) The base of an isosceles triangle is 4/3 cm. The perimeter of the triangle is 4 2/15 cm. What is the length of either of the remaining equal sides ?
(1) 40 and 55
(2) 45 and 27
(3) 3/4
(4) w = 25 and l = 52
(5) 1⅖ cm.
(1) 2x+2x+2 = 4x+2
(2) 3(x-1) = 2x+9
(3) 2x+8 = 2(x+4)
(4) 2x-x+7 = x+3+4
(5) -2(x+1) = 2x+5
(6) Scott has 12 more 50 cents coins than 20 cent coins, and their total value is $10.20. How many 20 cent coins does Scott have?
(7) At the supermarket a carton of juice costs $1.50 more than a bottle of milk. If 3 bottles of milk and 2 cartons of juice cost $8, how much does a carton of juice cost ?
(1) infinitely many
(2) one solution.
(3) infinitely many
(4) infinitely many
(5) one solution
(6) x = 6
(7) $2.50.
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