Seudónimo Seudónimo
  • 16-01-2015
  • Mathematics
contestada

Solve each system using substitution.

1. 4x= 3y-2 ; 18= 3x+y

2. 3x+2y= 23 ; 1/2x-4= y

Respuesta :

hppestano15 hppestano15
  • 16-01-2015
1. 4x= 3(18-3x) - 2
4x=54-9x-2
4x+9x=52
13x=52
x=4

substitute 4 for x
4(4)=3y-2
16=3y-2
16 + 2 = 3y
y=6

So your x would be 4 and y would be 6

to check your solution substitute x and y
4(4)=3(6) - 2
16 = 16 
Therefore that's the final answer for number 1. 
Answer Link

Otras preguntas

solve for ,×. Then, circle whether each angle pair is complementary or supplementary.​
John Rose, owner of Rose Corporation, has three employees who earn $500, $600, and $700, respectively. After 12 weeks how much has John contributed for state an
An arrow is shot vertically upward from a platform 33ft high at a rate of 214ft/sec. when will the arrow hit the ground? use the formula: h=−16t2+v0t+h0. (round
What are the units we use to define volume and mass
What gas in the atmosphere forms into clouds? A) oxygen B) hydrogen C) nitrogen D) water vapor The correct answer is D) water vapor
Could someone read over this essay and see if it sufficiently answers the prompt?Prompt: Describe what Manifest Destiny is. How does the provided picture (both
║×i could really use some help the answers are multiple choice as well× ║ the table shows the weight of an animal, in kilograms, over a period of several months
Please select the word from the list that best fits the definition The right to vote.
Which item holds about 5 milliliter of liquid?
Please please help! I’ll give you brainliest!!!! ∩^ω^∩