jazzy95605
1

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

$7-3(5t-10)=67$ $7-(3*5t-3*10)=67$ $7-15t-(-30)=67$ $7-15t+30=67$ $-15t=67-30-7$ $-15t=30$ then... $t=-\frac{30}{15}$ $\boxed{\boxed{t=-2}}$