Resolver 3 6 12 - 8 1/20 + 4 4/15 - 4, 2 | 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

$$- 8 \frac { 1 } { 20 } + 4 \frac { 4 } { 15 } - 4 , 2$$