Answer:
eqaution 1: Proportinal
eqaution 2:Proportinal
Step-by-step explanation:
no
The equivalent expression is;
The given expression is:
Recall that:
In our case, and .
We use this property of exponent to obtain;
6.4u-5.1u=-3.25 subtract
1.3u=-3.25 divide
u= -2.5