Answer:
22
Step-by-step explanation:
12+12=24
46-24=22
Answer:

Step-by-step explanation:
<em><u>Given:</u></em>

<em><u>Solve for:</u></em>

<em><u>Solution:</u></em>
(1) Let's move all of components that do not contain
(our target) to the right side (notice the change of sign of
from negative to positive):

(2) Let's divide both sides of equation by 4:

(3) Now, we simplify the left side:

This is the solution.
Hope this helps!
:)
1a:
580 - (580 × .1) - 20
580 - (58) - 20
522 - 20
502
1b:
990 - (990 × .25) - 20
990 - (247.5) - 20
742.5 - 20
722.5
I'm not sure how to solve #2.
Answer:
...
Step-by-step explanation: