Resolver equatio x 21 * x 189 Rightarrow1. 21 | 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

$$\frac { x } { 21 } \times \frac { x } { 189 } = 1$$