Six te 2

If 3t-7=5t, then 6t=

Correct result:

x =  -21

Solution:

 3 t7=5 t  2t=7  x=t=72=3.5x=6 t=6 (3.5)=21 \ \\ 3 \cdot \ t-7=5 \cdot \ t \ \\ \ \\ 2t=-7 \ \\ \ \\ x=t=\dfrac{ -7 }{ 2 }=-3.5x=6 \cdot \ t=6 \cdot \ (-3.5)=-21



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