4,8-x=3x(x

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4,8-x=3x(x4,8-x=3x(x4,8-x=3x(x4.8-x=3×(x+6)4.8-x=3x+183x+x=4.8-184x=-13.2x=-13.2÷4x=-3.3

4,8-x=3x(x
4,8-x=3x(x

4,8-x=3x(x
4.8-x=3×(x+6)
4.8-x=3x+18
3x+x=4.8-18
4x=-13.2
x=-13.2÷4
x=-3.3