Answer:
18
Step-by-step explanation:
The question is asking you to evaluate -4.5b, which is a simplified way of saying
-4.5 * b
Since we know that b = -4, we can insert that instead of b.
-4.5 * -4
The two negatives cancel each other out, so you're left with
4.5 * 4 = 18
The solution of the linear equation is x = 0.
<h3>What is the linear equation?</h3>
An equation is a mathematical statement, which has an equal sign (=) between the algebraic expression.
Linear equations are the equations of degree 1.
The given linear equation is;

The value of x is determined in the following steps given below.
Hence, the solution of the linear equation is x = 0.
To know more about linear equations click the link given below.
brainly.com/question/5085290
Each of 4 friends has 2 balloons
4 x 2 = 8
herself has one
so 8 + 1 = 9
answer: Total 9 balloons
Equal? I don’t rlly understand what this means
=3/2+ 9/4+ 2/2
=1.5+ 2.25+ 1
=4.75