02-02-2018
Mathematics

contestada

The sum of the equations -8x - 2y = 54 and 4x + 10y = 10 is an equation in one variable.

Respuesta :

wolf1728 wolf1728

02-02-2018

Multiplying first equation by .5:
A) -4x -y = 27 then adding equation B)
B) 4x + 10y = 10
9y = 37
y = 4.1111111111

x =
-4x - 4.1111111111 = 27
-4x = 31.1111111111
x = -7.7777777778

Answer Link

Otras preguntas

Nos habituarnos Irene y yo a persistir solos en ella, lo que era una locura pues en esa casa podian vivir ocho personas sin estorbarse. Haciamos la limpieza por

What is the area of the figure?

Solve: 3x - 3= x +5 please can someone solve this I will give brainiest

Isotopes are: A. found in the nuclear reactions in stars but not on Earth. B. are only theoretical. C. found in nature. D. only formed in laboratories.

examine figure 1 below. For each numbered location, identify which part of photosynthesis it represents, then discribe how each part enters or exits the plant

convert 5'5 into meters

could be developed to attack cancer cells

A square on the board is chosen at random. Find the probability as a fraction in simplest form

(2x-7)-(4x^2+6x-3)+(x^2+4)

Sound can't travel through a Question 4 options: A. liquid. B. vacuum. C. solid. D. gas.