Seudónimo Seudónimo

22-12-2020
Mathematics

contestada

Help please
Solve the system.
-2x + 1/2y
= 3/2
x - зу
= 2
Find the value of 'x'.

Respuesta :

zyuvely zyuvely

23-12-2020

Answer:

-2x + 1/2y = 3/2

(x - 3y = 2) ×2

-2x + 1/2y = 3/2

(+) 2x -6y = 4

0 - 11/2y = 11/2

y = -1

substitute y into x - 3y = 2

x = 2 + 3(-1)

x = -1

Answer Link

Otras preguntas

Pls send proper answer , urgent

Trigonometry, please provide a simple explanation

Find the equation of the line that is perpendicular to y = 6x-2 and contains the point (6, -2). y = = [2²] x + [ ]

1. Solve x² +5x+3=0 Give your solutions correct to 2 decimal places.

Find the term that must be added to the equation x2+6x=7 to make it into a perfect square.

2. When the plastic sheet is pulled down (inhalation), what happens to the pressure in the plastic bottle?

Aperson invest 10,000 shillings for 40 months compounded monthly. Find the accumulated amount If the rate is 5% per annum.

what is irresponsible adolescence behaviour

2. State and explain (5) reasons why the Convention People's Party won the 1951 general elections.

When muscles increase in size, it’s known as