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 ( 82+ )
Otras preguntas
Charlie has x state quarters. Ty has 3 more quarters than Charlie has. Vinnie has 2 times as many quarters as Ty has. Write and simplify an expression to show h
how do you use distributive property to find the answer of 75 divided by 3
Write an equation yo model each situation then solve ! A stack of 12 bricks is 27 in. High. What is the height of each brick
what is 25/99 as a decimal terminating decimal or repeating decimal
You purchase a total of 45 shares of stocks from 3 different companies. You purchase twice as many shares of company c stock as you do company a. Company a stoc
What is 25.2<1.5y+1.2
How to do 103,727,495 in expanded form
In an examination there are four multiple choice questions with 3 options each, of which one option is the correct answer. In how many ways can a student answer
why does salt separated from a salt water solution look different than the salt that dissolved in the water
If five notebooks cost $5.25, how much will three notebooks cost?
