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 ( 41+ )
Otras preguntas
Rewrite 8^5 over 8 using a single positive exponent.
Jimmy is the sales manager of, Packaday, a packaging and shipping company. He has created a plan that will increase Packaday's customer base by 2.5 percent in t
Tom viaja 60 millas por hora yendo a una ciudad vecina y 50 millas por hora regresando usando la misma carretera. condujo un total de 5 horas ida y vuelta cual
Why did Heraclitus says that nature is an open mystery? What did he mean by that?
11) reflection across the x-axis
In the process of solving an equation, a student noticed that only integers remained on each side of the equation. The student concluded that the equation must
Carbon dioxide table
Why we used dyes when we prepare onion , human cheek eqithelium smears, and didn’t use it in cork and leaf epidermal cells smears!?
I need you to solve this problem[tex] \frac{49 - x^{2} }{x {}^{2} - 14x + 49 } [/tex]
what is the rhetorical technique
