Resolver 20lg(1, 92) + 20lg(1, 7) + 17, 5 | Equatix - Math Solver

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

a⋅(b-2)=3b

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

a⋅(b-2)=3b

Question

$$20\ lg(1,92)+20\ lg(1,7)+17,5$$