changocuevas11
changocuevas11
22-02-2018
Mathematics
contestada
3x=-5y
6x-7y=17
Solve the equation
Respuesta :
Аноним
Аноним
22-02-2018
3x = -5y -------------- (1)
6x - 7y = 17 --------- (2)
From (1):
3x = -5y
x = -5/3 y ---------- sub into (2)
6 (-5/3 y) - 7y = 17
-10y - 7y = 17
-17y = 17
y = -1 ------------ Sub into (1)
3x = -5 (-1)
3x = 5
x = 5/3
Ans: x = 5/3, y = -1
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
What's the answer I need help right away
Kayla has $70,000 in a savings account. The interest rate is10% per year and is not compounded. How much will she have in 2 years? Use the formula i = prt, wher
A story summary about Rabbit-Proof Fence
Rebecca picked a bunch of flowers from her garden. She gave 19 flowers to her mother. If she now has 34 flowers, how many flowers did she pick?
What is the slope of the line y= 1/2x + 3/4?
Brainliest for a right answer
Why is it important for soil to contain nitrogen, phosphorus, magnesium, and potassium??
how many hours and still elapsed from 0740 hrs to 1135 hrs.?
Determine whether it is possible to construct a triangle with angle measures 93°, 61°, and 26°. p.s. please say why or why not!
6. Según el poeta Rodolfo Hinostroza,... * la comida separó a los invasores de los indígenas el hambre provocó conflictos entre los invasores y los indígenas la
