x+3.4x=28.6

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x+3.4x=28.6x+3.4x=28.6x+3.4x=28.6x+3.4x=28.64.4x=28.6x=66.56(1+3.4)x=28.64.4x=28.6x=6.5

x+3.4x=28.6
x+3.4x=28.6

x+3.4x=28.6
x+3.4x=28.6
4.4x=28.6
x=6

6.5

6

(1+3.4)x=28.6
4.4x=28.6
x=6.5