a) -2 (1/4 + x) - 6 (1/16 - 2x) = 3x-1/2 - 2x - 3/4 + 12x = 3xCombine like terms:-2.5 + 9x = 3xSubtract 3x from both sides:6x = 2.5x = 2.5 / 6x = 0.41666666667
b) (1 5/18 - 2 4/27) 5.4x = 9 1/2 + 2 1/4(23/18 - 83/27) 5.4x = 19/2 + 9/4(621/486 - 996/486) 5.4x = 38/4 + 9/4(-375/486) 5.4x = 47/4-3.75x = 47/4x = (47/4) / -3.75x = -47/15
a) -2 (1/4 + x) - 6 (1/16 - 2x) = 3x
-1/2 - 2x - 3/4 + 12x = 3x
Combine like terms:
-2.5 + 9x = 3x
Subtract 3x from both sides:
6x = 2.5
x = 2.5 / 6
x = 0.41666666667
b) (1 5/18 - 2 4/27) 5.4x = 9 1/2 + 2 1/4
(23/18 - 83/27) 5.4x = 19/2 + 9/4
(621/486 - 996/486) 5.4x = 38/4 + 9/4
(-375/486) 5.4x = 47/4
-3.75x = 47/4
x = (47/4) / -3.75
x = -47/15