हल करना \{7 - (- 7)\} * 7 = 7 * 7 - (- 7) * 7 | 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

$$\{7-(-7)\}\times7=7\times7-(-7)\times7$$