lovebrain123
24.06.2020 •
Mathematics
4x= 2y + 38; 2 - 3y=x
Simultaneous equation please help
Solved
Show answers
More tips
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
- A Art and Culture How to Learn Screaming: Step-by-Step Guide for Beginners...
Answers on questions: Mathematics
- M Mathematics How do you solve 261 times 76 show your work....
- M Mathematics 400x400÷8x66 point of deleting the answer just in case if u didn t know teens are not the only ones that use this website respect that...
- M Mathematics Which equation represents a line parallel to y - 2x = 8 Oy = 2x + 5 Oy = 10x - 3 Oy = 2x + 8 Oy = 6x + 2...
- M Mathematics The length of a rectangle is five inches less than twice its width. If the rectangle has a perimeter of 80 inches, find the length and width. * Width 5, Length 35 Width 10,...
- A Advanced Placement (AP) What is the difference between vap and vep? explain how these measures may (or may not) affect our thinking about the apparent decline in voter turnout?...
Ответ:
x = 59/7, y = -15/7
Step-by-step explanation:
4x= 2y + 38;
2 - 3y=x
We can substitute for x in the first equation since the second equation is solved for x
4(2-3y) = 2y+38
Distribute
8 - 12y = 2y+38
Add 12y to each side
8-12y+12y = 2y+12y+38
8 = 14y+38
Subtract 38 from each side
-30 = 14y
Divide by 14
-30/14 = y
-15/7 = y
Now solve for x
2 - 3y = x
2 - 3*-15/7 = x
2 +45/7 = x
14/7 + 45/7 = x
59/7 =x
Ответ: