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Kruka [31]
3 years ago
6

7 - 3 ( 5t - 10 ) = 67

Mathematics
2 answers:
victus00 [196]3 years ago
6 0
7-3(5t-10)=67

7-(3*5t-3*10)=67

7-15t-(-30)=67

7-15t+30=67

-15t=67-30-7

-15t=30

then...

t=-\frac{30}{15}

\boxed{\boxed{t=-2}}
anyanavicka [17]3 years ago
6 0
Answer in an annex
....................................

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