gavaniquer gavaniquer
  • 13-02-2020
  • Mathematics
contestada

Solve the linear equations
-2x+5y=39
2x-3y=-25

Respuesta :

ghanami
ghanami ghanami
  • 14-02-2020

Answer:

Step-by-step explanation:

hello :

-2x+5y=39 ....(*)

2x-3y=-25....(**)

add(*) and (**) : 2y =64    so : y =64/2 =  32

put this value in (*) : -2x+5(32) = 39 ....continu

Answer Link

Otras preguntas

The theme of _____ is explicitly stated in Nectar in a Sieve because it is introduced in the story in its epigraph.
jenny said i'm thinking  of fraction that is equivalent to 2/6 the numerator is 8 less than the denominator what fraction is jenney thinking of
how to do this problem
Amalia y Grisela están____________ una canción.
Which one of the following choices best represents a positive defense mechanism to stress?
The effect of human disturbance on animal populations is? A. Density-dependent B. Density-independent C.unobservable D. Stabilizing
Outlining is the first step in writing an essay answer. It is true not false
Sam is walking to Joe’s house at a rate of 2 miles per hour. Joe left his house at the same time and is walking at a rate of 1.5 miles per hour. If Sam and Joe
Imagine that you are writing an essay about freedom, and you decide that you want to quote the following line from Abraham Lincoln's "Emancipation Proclamation.
When developing a fitness program, principles of training and ______ should be applied Stretching Yoga Exercising Strength