128 - 3 . ( x + 4 ) = 23
=> 3 . (x + 4) = 105
=> x + 4 = 35
=> x = 31
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128 - 3 . ( x + 4 ) = 23
=> 3 . (x + 4) = 105
=> x + 4 = 35
=> x = 31
128 – 3(x + 4) = 23
128 -3 x ( x + 4 ) = 23
Tím x :128 - 3 (x+4)=23
128-3.(x+4)=23
128-3.(x+4)=23
128-3(X+4)=23
128-3.(x+4)=23
a, 128-3x(x+4)=23
b, [(4.x+23).3+55]
c, (12.x-4/3).8/3=4.8/4
d, 720:[41-(2.x-5)]
Tìm x
128-3.(x+4)=23