1) 4(x-2) = 4(0,5)4(x-2) = 2x-2 = 0,5x = 0,5 + 2x = 2,5
2) 4(x-2) = 4(0,9-2)4(x-2) = 4(-1,1)No solution
3) 4(2-x) = 4(2-0,5)4(2-x) = 7-4x + 8 = 7-4x = -1x = 0,25
4) 4(2-x) = 4(2-0,9)4(2-x) = 4(1,1)8 - 4x = 4-4x = -4x = 1
Ответы:1) x = 2,53) x = 0,254) x = 1
1) 4(x-2) = 4(0,5)
4(x-2) = 2
x-2 = 0,5
x = 0,5 + 2
x = 2,5
2) 4(x-2) = 4(0,9-2)
4(x-2) = 4(-1,1)
No solution
3) 4(2-x) = 4(2-0,5)
4(2-x) = 7
-4x + 8 = 7
-4x = -1
x = 0,25
4) 4(2-x) = 4(2-0,9)
4(2-x) = 4(1,1)
8 - 4x = 4
-4x = -4
x = 1
Ответы:
1) x = 2,5
3) x = 0,25
4) x = 1