Resolver (iv ) 19 5/7; 138/7 by | 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

$$19 \frac { 5 } { 7 } \frac { 138 } { 7 }$$