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 ( 68+ )
Otras preguntas
The official at a high school who maintains students' personal and academic records is called a(n) _____.
What is 3 divided by 748
In the rectangle below AC has a length of 28. What is the length of ED? If necessary, round your answer to two decimals places.
Zack flips a coin and rolls a numbet cube with side labeled 1 to 6. What is the propability that he gets heads and a number greater than 4?
An aquarium is 60 cm long, 20 cm wide, and 30 cm high. What volume of water, in cubic cm, does the aquarium contain if it’s two-thirds full?
The line-item veto act gave the president the power to kill __________ projects, which are projects desired by individual members of congress for the benefit of
Solve the following system by the elimination method. Check the solution. 5x−5 = −7y, 3x+2y = - 8
Please help with questions 9 and 10 !!!!!!!!!!
The harvest nut company sells made-to-order trail mixes. santitio's favorite mix contains peanuts, raisins, and carob-coated pretzels. peanuts sell for $3.20 pe
Which sentence is the best example of parallel structure? a.the little boy had on torn pants, dirty shirt, muddy shoes. b.the little boy had on torn pants,
