Respuesta :

imaweirdasian2
3.5t+21=7     Distribute the 3.5 in the parenthesis
3.5t= -14       Subtract 21 from both sides
t= -4              Divide 3.5 from both sides.

The value of t is -4

The question given is 3.5(t+6)=7. For you to solve the question, you've to open the bracket first. This goes thus:

3.5(t+6)=7

3.5t + 21 = 7

Collect like terms

3.5t = 7 - 21

3.5t = -14

Divide both side by 3.5

3.5t/3.5 = -14/3.5

t = -4

Therefore, the value of t will be -4.

In conclusion, the correct option is A.

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