Respuesta :

kphung76127
Distribute
3.5t+21=7

Subtract 21 from both sides
3.5t=-14

Divide both sides by 3.5
t=-4

Final answer: t=-4
thewisestudent9

Hey!

Hope this helps...

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3.5 * (t + 6) = ???

(3.5 * t) + (3.5 * 6) = ???

3.5t + 21 = ???

t = (21 / 3.5)

t = 6