sswd
27.08.2020 •
Mathematics
Solve the equation -7x - 9 = 19 x =?
Solved
Show answers
More tips
- B Business and Finance How to Create a Business Plan? Your Ultimate Guide...
- F Food and Cooking Deflope: What is it and how does it work?...
- F Food and Cooking Why Doesn t the Confirmation Link Come to Email?...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- S Science and Technology Discovering the Anatomy of an LCD TV Screen...
- H Health and Medicine What You Need to Know About Nasal Congestion in Infants: Causes, Symptoms, and Treatment...
- A Auto and Moto What is the Average Lifespan of an Engine in a Car?...
- C Computers and Internet Make Money Online: Secrets and Essential Ways...
- A Auto and Moto How Can Parking Sensors Help Drivers?...
- S Style and Beauty How to Properly Apply Eye Makeup: Tips from a Professional Makeup Artist...
Answers on questions: Mathematics
- M Mathematics Kilroy s Web site business has increased every year for the last 3 years. Write the percent it increased during the second year as a decimal and as a fraction in lowest terms...
- M Mathematics Lucas read a 480 page book from cover to cover in a single session, at a constant rate. After reading for 2.5 hours she had 400 pages left to read. How fast was sara reading...
- M Mathematics Please help thank youi!!...
- M Mathematics The numbers in any column, row or diagonal in the grid below multiply to give an answer of 1Complete the grid.5411002014...
- M Mathematics How do I solve this equation?...
- M Mathematics A coin jar contains 10 quarters, 6 dimes, and 8 nickels. Find the probability that a dime is chosen at random from the jar and then a nickel is chosen at random from the...
- M Mathematics If we scale a figure by 600%, what number do we multiply the side lengths by? PLS HURRY...
- M Mathematics What is 365+100? answer fast...
- M Mathematics Joaquin buys white shirts for $12 each. after he dyes and paints each shirt he plans to sell them at a 65% markup Joaquin wants to know the selling price of each shirt...
- M Mathematics Solve the inequalities from parts A and D for the variables b and n, respectively....
Ответ:
x=-4
Step-by-step explanation:
We are given the equation:
-7x-9= 19
We want to solve for x. Therefore, we must isolate x on one side of the equation.
9 is being subtracted. The inverse of subtraction is addition. Add 9 to both sides of the equation.
-7x-9+9= 19+9
-7x= 28
x is being multiplied by -7. The inverse of multiplication is division. Divide -7 on both sides.
-7x/-7=28/-7
x= 28/-7
x= -4
Let’s check our solution. Plug -4 in for x and solve.
-7x-9=19
-7(-4)-9=19
28-9=19
19=19
This checks out, so we know our solution is correct.
The solution to the equation -7x-9=19 is x= -4
Ответ: