Resolver x + y + z = 4; 3x + 7 = 11; y - z = 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

$$x+y+z=4; 3x+7=11; y-z=7$$