0.2 [y + 2] = 0.8 solving equations

0.2[y+2]=0.8
0.2y＋0.4=0.8
0.2y=0.4
y=2

RELATED INFORMATIONS

1. 2 / 3 (Y-8) = 9
2. 0.2 [y + 2] = 0.8 solving equation with process
3. 1. Solving equation: Y-Y + 1 / 2 = 2-y + 2 / 5 2. Solving equation: 1 / 2 (2x + 5) = 4x + 3 / 4-2-3x / 8 help me. Thank you Xueba!
4. The solution set of equation log3 (x ^ 2-3x + 1) = 1 is a, equation The solution set of equation log3 (x ^ 2-3x + 1) = 1 is a, the solution set of equation 9 ^ x-4 * 3 ^ (x + 1) + 27 = 0 is B, then the relationship between a and B is A.M=N B. N is contained in M C. M is contained in n D. M ∩ n = nonempty set
5. The solution interval of equation log3 (x) + x = 3 is
6. Find the solution interval of equation log3 x = 3-x Such as the title
7. Given that the domain of F (X & # 178; - 1) is [- 1,2], then the domain of F (x) is () Given that the domain of F (X & # 178; - 1) is (- 1,2), then the domain of F (x) is ().
8. Let f (x) be a function defined on R with period 2. In the interval [- 1, 1], f (x) = ax + 1, − 1 ≤ x < 0 & nbsp; & nbsp; & nbsp; BX + 2x + 1, 0 ≤ x ≤ 1, where a, B ∈ R. if f (12) = f (32), then the value of a + 3b is______ ．
9. F (x) domain R. satisfies f (x + 1) [1-f (x)] = 1 + F (x). Proof: F (x) is a periodic function It has been proved that the period is 2 Problem 1, when x belongs to [0,1], f (x) = x, find the expression of F (x) on [- 1,0] 2. For the function f (x) = ax in 1 with 100 roots, find the value range of A PS steps, direct answers do not give points
10. It is known that the definition field of function f (x) is r, and f (x + 2) = - f (x) is proved that f (x) is a periodic function If f (x) is an odd function, and if x is greater than or equal to 0 and less than or equal to 1, f (x) = 1 (/ 2) x, find the analytic solution of F (x) in [- 1,3]
11. Solution equation: (y + 4) / 5 + y + 6 = (y + 8) / 2 - (y + 4) / 3 It's a process
12. Exponential equation log3 x ^ 2 + 2logx 3 = 5
13. Find the equation of the circle whose center is the same as the known circle X &; 0 &; 5 + Y &; 0 &; 5-6x + 4y-7 = 0 and passing through point a (2,3)
14. Solution equation: (X &; 0 &; 2x of 5-4) + (1 of X-2) = x + 2 of X + 3
15. Solution equation (X &; 0 &; 5 + x) (X &; 0 &; 5 + x-14) + 24 = 0
16. Given 67 ^ x = 27603 ^ y = 81, find the value of 3 / x-4 / y I'm not going to work out the answer with a calculator. Can you tell me the method?
17. Let 27 & # 710; X = 67,81 & # 710; y = 603, and prove 4y-3x-2 = 0
18. If x and y are real numbers, and Y
19. x. Y and Z belong to positive real numbers, 3 ^ x = 4 ^ y = 5 ^ Z. compare the sizes of 3x, 4Y and 5Z
20. Expand the function 3x / (x ^ 2 + 5x + 6) into a power series of X. can we put forward 3x and then multiply it