- 3 + u = - 20
u = - 20 + 3
u = -17
hope this helps!.
Its 72 degrees i just did this one plato
Answer:
Step-by-step explanation:
Any equation with a product of variables, or with a variable in an exponent or denominator, is <em>not a linear equation</em>. Here, "product of variables" includes powers and roots—any expression with an exponent other than 1, or a total of exponents other than 1.
