![tatim210](/avatars/33746.jpg)
tatim210
20.09.2019 •
Mathematics
Which equation has a solution of -2?
a 7x - 4 = 6x + 5
b 4x + 3 = 8x - 5
c 6x + 4 = 3x + 10
d -5x - 3 = -7(x +1)
Solved
Show answers
More tips
- S Science and Technology The Metric System in Our Daily Life: Understanding Its Importance...
- H Health and Medicine Angina: Causes, Symptoms, and Treatment...
- C Computers and Internet How to Learn to Type Fast?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- S Style and Beauty How to braid friendship bracelets?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- F Food and Cooking Which Calamari Salad is the Most Delicious?...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- H Health and Medicine What is Autism? Understanding the Basics of This Neurodevelopmental Disorder...
Answers on questions: Mathematics
- M Mathematics Which property is shown in the equation? a+(-a) = 0...
- M Mathematics F(x) = 2(x - 3)^2 g(x) = 2(x - 5)^2 + 3 Describe the 2 transformations from f(x) to g(x)....
- M Mathematics Find the measure of angle A in degrees....
- M Mathematics Find the area of the figure....
- M Mathematics PLEASE HELP DONT SKIP ANSWER....
- M Mathematics According to a poll, 683 out of 1064 randomly selected smokers polled believed they are discriminated against in public life or in employment because of their smoking. a. What...
- M Mathematics Multiply. Write your answer in simplest form. 3n+2/ 2n+1(2n2+5n+2)...
- M Mathematics Gotham government officials have a 58.6% chance of being corrupt. Determine the probability that a randomly selected Gotham government official is not corrupt....
- M Mathematics 6) James wants to invest $8,000. He can invest the money at 7.2% simple interest for 30 yr or he can invest at 7% with interest compounded continuously for 30 yr. Which option...
- M Mathematics What is the value of n in the equation 2.3 x 10^9=(1 x 10^3)(2.3 x 10^n)...
Ответ:
Solution:
I'm not sure if there is law for it or not, but you can replace each x to -2 if both sides are equal then the equation is true.
A. is incorrect.
B. is incorrect.
C. is incorrect.
D. is correct.
D.![-5x-3=-7(x+1)](/tpl/images/0247/2589/a1832.png)
Hope this was helpful.
Ответ:
90°