dannyboy1972
dannyboy1972
01-12-2016
Mathematics
contestada
a+b=2x-2 and a-b=4x-8 find a and b
Respuesta :
charstar
charstar
01-12-2016
a+b=2x-2
a-b=4x-8
a=6x-10
a=4x-8+b
6x-10=4x-8+b
2x-10=b-8
2x+2=b
2x-2=b-4
a+b=b-4
a=-4
-4=6x-10
6=6x
x=1
2-2=b-4
0=b-4
4=b
a=-4
b=4
Hope this helps :)
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
Which of the following statements are true? Check all that apply. View Available Hint(s) Check all that apply. The average speed of gas molecules decreases with
If a business owner wants to increase demand for quantity, then the business owner should increase quantity. decrease price. increase the supply curve. decrease
After conquering China, the Mongols created the
I need help please?!!!
Write an equation for a line perpendicular to y=3x−1 and passing through the point (-9,4)
the collection of all value is called the range of the function
Real question; My mom found out yesterday that our dog has cancer. But I do not know how to tell if it is something else. He is shaking in his hind legs, he h
Ash from a volcanic eruption decreases the amount of available solar energy for a region. How will a decrease in available sunlight most likely affect ecosystem
Hello and thank you in advance for answering these questions. Please answer ASAP, thank you and good luck: 1. Explain the historical circumstances that led to t
What objects would NOT furnish DNA for identification? a. a toothbrush used by the person b.used and unwashed clothing or bed sheets c. food found in the vi
