Answer:
Step-by-step explanation:
6+8=14
x=7x-21
Step-by-step explanation:
- x=7x-21
- 21=7x-x
- 21=6x
- x=21/6
- x=7/2
- x=3.5
We start with

We can factor x at the numerator:

So, assuming
(otherwise the expression would make no sense) we can simplify it:

This equation has no roots, so we can't simplify it any further.
Answer:
<h3>180</h3>
Step-by-step explanation:
<h3>45 × -6 = 45 × [10+(-6)]</h3><h3>45 × (10-6)</h3><h3>45 × 4</h3><h3>180</h3>
Answer:
B ($9.78)
Step-by-step explanation: