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 ( 81+ )
Otras preguntas
Why did Lavinia’s face look white and pinched
What allow the peripheral proteins?
Under Article 1, what is the minimum age required to serve in the House of Representatives? How long must that person have been a citizen of the U.S.?
The ages of five children are such that the second’s age is 3/4 the first’s. The third’s is 1/2 the first’s, the fourth’s is one less than the third’s, and the
If anybody could help me with this I would appreciate it so much with an explanation on how to do it aswell. ( sorry for the HORRIBLE lighting )
Data collected for a non-invasive test gives 20% false positive and 5% false negative. Further, the data shows that 1 out of 10,000 people have the disease the
what is the equation?
operating leverage, financial leverage and combined leverage of different companies
Find the intruder: phagocytosis, macrophage, granulocytes, lymphocytes
global warming leads to rise in the water level . Do you agree ? Prove your statement
