9
Step-by-step explanation:
15x+12=19x-24
15x-19x=-24-12
-4x=-36/÷(-4)
x=9
You first put all the x on one side and numbers on the other and be careful about + and - and then you divide by everything with the x so you have only the x left and you get the aswer.
Answer:
There are 3 terms
Step-by-step explanation:
Answer: a = -3
Explanations:
The given equation is:
This can be re-written as:
Collect like terms:
Cross multiply:
To verify if the solution is correct, substitute a = -3 into the question given. If the Right Hand Side equals the Left Hand Side, then the solution is correct.
Since the Left Hand Side = Right Hand Side = 7, the solution a = -3 is correct
.52 CENTS - everything added up equals 9.48. $10.00-9.48=.52
Answer:
2000
Step-by-step explanation:
38.
R = 90x - x²
R = 90(50) - 50²
R = 4500 - 2500
R = 2000