Resolver (19)((1)/(10))-(9)((1)/(5)) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$19 \frac { 1 } { 10 } - 9 \frac { 1 } { 5 }$$