Ibarrakarla
Ibarrakarla
11-02-2017
Mathematics
contestada
3x-y=16
2x-y=12
substitution method
Respuesta :
apologiabiology
apologiabiology
11-02-2017
multiply 2nd equation by -1 and add to first one
3x-y=16
-2x+y=-12 +
1x+0y=4
x=4
sub back
2x-y=12
2(4)-y=12
8-y=12
minus 8 both sides
-y=4
times -1
y=-4
(x,y)
(4,-4)
Answer Link
friedalafiesta
friedalafiesta
11-02-2017
The answer should be (4, -4)
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
The ceo's role at general electric requires him to spend a great deal of time on planning. this indicates that he is a(n) ____ manager. a. operations b. first-l
What angle whose measure is equal to 90 ?
This election saw John Adams and Thomas Jefferson vying to become the second President of the United States. Adams won by a narrow electoral margin.
Jeffery multiplied 7/8 by 2/3 and made the conclusion that the product of two rational numbers is rational. Is Jeffery correct? Explain.
Solve the inequality. Graph the solution. |3x-3|+3<12
help me!!!!!!!!!!!!!!!!!!!!!
Select the correct answer. Which law represents a balanced chemical equation? a. Avogadro’s hypothesis b. ideal gas law c. law of conservation of mass d. Ne
What spanish speaking country shares a 1953 mile border with the us
What is -5.8+(-2.5)
Help on 12 will mark brainliest. 30 pts
