alancon22
alancon22
11-04-2017
Mathematics
contestada
How to find where the equations meet.
Respuesta :
IcefromTaiwan
IcefromTaiwan
11-04-2017
the first sentence → x - 2y = -1
the second one → 3x - 2y = -3
multiply the first one by -1
you can get → -x + 2y = 1
plus two sentences together
you can get → 2x = -2
so you are able to know that x = -1
and y = 0
Answer Link
VER TODAS LAS RESPUESTAS ( 66+ )
Otras preguntas
I recently got a bad grade on a test. How can I make sure I don't make silly mistakes when I hardly have time to double check?
A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on. Which one is Independent
order these numbers from least to greatest1/2,1.1,5/3,2.0,0.4,-2,5/8
Which type of white blood cells is produced in the thymus and destroys the cell membranes of bacteria? A. B-cells B.T-cells C. microphages D. macro
Write 65 thousandths in standard form
Prove that the inequality x(x+ 1)(x+ 2)(x+ 3) ≥ −1 holds for all real numbers x.
D=8.6g/mL and M=125g what is the volume
How do I simplify negative square root of 72
If x and y are positive integers, is x - y always positive? Explain.
A city's sales tax is 0.07 write this decimal as a fraction and tell how many cents of tax are on each dollar
