annacantu4 annacantu4

29-03-2017
Mathematics

contestada

3x-5y=10
-3x-4y=35
Find the Solution set . Solve the system using addition method ?

Respuesta :

ghanami ghanami

29-03-2017

Hello:
3x-5y=10 .... (1)
-3x-4y=35 ..... (2)
using addition method (1)+(2) :-9y=45 y=-6
subst in (1) : 3x-5(-6)=10
3x=40
x=40/3

Answer Link

Otras preguntas

If a lipid bilayer is at least 108 times less permeable to K ions than it is to water, how do the K ions that are needed for many cellular functions get into

Identify one simple machine used at your home and explain how it makes your work easier

Stephanie wants to buy 's' tomato plants, and Diego wants to by 'd' tomato plants. Each plant costs $7. Stephanie will use a coupon that will give them $25 off

Calculate the magnitude of the magnetic field at a point 16.0 cm from a long, thin conductor carrying a current of 3.50 A.

Which of the following is a sensory detail? A. The pleasure of making a new friend B. The difficulty of trying a new activity C. The smell of trees after a rain

PLEASE HELP Choose the correct conic section to fit the equation. y=1/8 x^2 1.Circle 2.Ellipse 3.Parabola 4.Hyperbola

Most immigrants to the United States

The largest country in the world is ?

CAN SOMEONE PLEASE GIVE ME SOME IDEA... you were crossing an old bridge when you slipped and fell into the drain. write a recount of what had happened.

Why did Martin Luther King lead marches in Chicago? A. To protest bad sanitation B. To protest Republican lawmakers C. To protest riots D. To protest unfair hou