13x-(4.5x+2.9)=0.5x+3.8×0.5

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13x-(4.5x+2.9)=0.5x+3.8×0.5
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13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-(4.5x+2.9)=0.5x+3.8×0.5

13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-4.5x-2.9=0.5x+1.9
13x-4.5x-0.5x=1.9+2.9
8x=4.8
x=4.8÷8
x=0.6

8.5x-2.9=0.5x+1.9
8x=4.8
x=0.6

13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-4.5x-2.9=0.5x+1.9
13x-4.5x-0.5x=1.9+2.9
8x=4.8
x=4.8÷8
x=0.6

13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-4.5x-2.9=0.5x+1.9
8.5x-0.5x=1.9+2.9
8x=4.8
x=0.6