Half of the difference between 20% of X and 15 is - 2

RELATED INFORMATIONS

• 1. Make the equation according to the following condition: half of the difference between 20% of a number and 15 equals 2
• 2. Two times the difference between a number and 1 is equal to the sum of this number and 5. Let this number be x, then the equation is obtained______ ．
• 3. X-30.5 = 3.4x how much is x equal to
• 4. X plus x minus 30 equals zero What's the X?
• 5. Equation: x-3 of 65 equals x + 2 of 70
• 6. The sum of two times of a number plus 78 is equal to six times of the number. Find the number (list the equation and find the solution of the equation)
• 7. Three times of the difference between a number and - 6 is equal to the opposite number of this number. Let this number be x, and the equation can be formulated
• 8. The 54 books are divided into three groups. Group A's 12 is equal to group B's 13 and group C's 14______ 、______ 、______ Ben
• 9. The 54 books are distributed to three groups. One half of the first group is equal to one third of the second group and one fourth of the third group. The three groups are divided into several books
• 10. Divide 54 books into three groups, one fifth of group A, 25% of group B and half of group C. how many books do group A, B and C get?
• 11. Half of the difference between 30 percent of a minus 4 equals 20 percent of a plus 6
• 12. The 30 percent of x minus half of the difference is equal to the 20 percent of x plus 6, and the equation is given
• 13. Given that the lengths of two sides of a right triangle are exactly two of the equation x ^ 2-7x + 12 = 0, then the area of the right triangle is?
• 14. It is known that the lengths of the two sides of a right triangle are the two roots of the quadratic equation x & # 178; - 7x + 12 = 0, and the third length of the right triangle is obtained
• 15. Given that the lengths of two sides of a right triangle are two of the equations X & # 178; - 7x + 12 = 0, the area of the triangle can be obtained
• 16. The two right sides of a right triangle are the roots of the equation x ^ 2-7x + 12 = 0, and the area of a right triangle is calculated~
• 17. It is known that the two roots of the equation x-7x + 12 = 0 are the two right sides of a right triangle. To find the area of the right triangle (detailed process)
• 18. If the third power of a is equal to the sixth power of - 8x and the ninth power of Y, what is a =? Come on
• 19. If the equation x + 2Y = - 1,2x-y = 3, kx-y = 9, find the value of K
• 20. When x = - 0.5, the bivariate linear equation 2x-y = 3 has the same solution as KX + 2Y = - 1? Emergency