Tìm x, biết: a) 2.(x - 5) - 3.(x + 7) = 14; b) -7.(5 - x) - 2.(x - 10) = 15

a) 2. ( x-5) -3. (x+7)= 14
b)-7 . (5 - x) - 2. (x - 10) = 15
c) 4. (x-1) - 3. (x-2)= -/-5/
d)7. (x-3) - 5. (3-x) = 11x -5
e)-5. (2-x) + 4. (x-3) = 10x-15
g)5. (4-x) - 7. (-x+2)= 4-9+3