Sjzndhdhdjsj
Sjzndhdhdjsj Sjzndhdhdjsj
  • 25-01-2017
  • Mathematics
contestada

If A plus B equals 2X -2 and A -B equals 4X -8, find A and B

Respuesta :

Аноним Аноним
  • 31-01-2017
A+B = 2X -2
A-B = 4X -8

Add the equations, 
2A = 6X - 10
A = 3X - 5

Now, 3X - 5 + B = 2X - 2
B = 2X-3X - 2 + 5
B = 3 - X

Hope this helps!
Answer Link

Otras preguntas

24. Find K between M(1, -3) and N(4, 6) such that the ratio of MK to KN is 1:2.
(c) Identify and explain ONE impact the differing viewpoints cited in a and b will have on the relationship between the British and the colonies.
Urgent please help! Need within 20omites please
Consider the procedure used below to solve the given equation. Given: 4(2x +5)-(3x-4)=15 Step 1: 8x+5-3x+4=24 Step 2: 5x + 9 = 24 Step 3: 5x = 24-9 Step 4: -5x
How do you properly use conjuctive adverbs? Choose the correct sentence. a Jeremy kept talking in class; therefore, he got in trouble. b Jeremy kept talking i
The length of a rectangle is feet greater than its width. Find the length and width of the rectangle if its perimeter is 42 feet.
The control of data for the use of people and organizations, including data collection, distribution, archiving, removal, and security is Question options: sof
Let A = {15,16,17,18,19,21). a. How many subsets does A have? b. How many proper subsets does A have?
Can someone answer this for me pls?? Pre-algebra 8th grade
Identify all obtuse angles in the drawing below. * O ZBMD, ZAMC, ZAME O ZBMC, ZCME O ZAME O ZAMB, ZCMD, ZDME