3(x-3)-4(x-5)=6 x=?

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3(x-3)-4(x-5)=6x=?3(x-3)-4(x-5)=6x=?3(x-3)-4(x-5)=6x=?3(x-3)-4(x-5)=63x-9-4x+20=6-x=6+9-20=-5x=5是53x

3(x-3)-4(x-5)=6 x=?
3(x-3)-4(x-5)=6 x=?

3(x-3)-4(x-5)=6 x=?
3(x-3)-4(x-5)=6
3x-9-4x+20=6
-x=6+9-20=-5
x=5

是5

3x-9-4x+20=6
-x=6-11
x=5

3(x-3)-4(x-5)=3X-9-4X+20
=-X+11=6
X=5

(3x-9)-(4x-20)=6
3x-9-4x+20=6
-x=-5
x=5