Tìm x:

Tìm x:
a, -4.(x + 1) + 89.(x + 3) = 24
b, 5.(x - 30) - 2.(x + 6) = 9
c,-3.(x - 5) + 6.(x + 2) = 9
d,7.(x - 9) - 5.(6 - x) = (-6) + 11x
e, 10.(x - 7) - 8.(x + 5) = 6.(-5) + 24