madisonr1 madisonr1

07-09-2017
Mathematics

contestada

4x-5y=13
x+5y=-3

Find the solution to the following system of equations using the addition method

Respuesta :

ghanami ghanami

07-09-2017

hello :
4x-5y=13...(1)
x+5y=-3...(2)
(1)+(2) : 5x = 10
x=2
subsct in (2) : 2+5y = -3
5y =-5
y = -1

Answer Link

Otras preguntas

To force a bill out of committee, a/an _______ petition must be signed by a majority of the representatives.

Complete the sentence: A person might walk into a post if................... P.S I am new to U.S so do not judge.

The sum of the measures of two exterior angles of a triangle is 252. What is the measure of the third exterior angle?

A glacier that was 1,076 meters thick changed in thickness at an average rate of -22.7 meters per year for 7 years. a)Write an addition expression you can use t

Ken paid $12 for two magazines. The cost of each magazine was a multiple of $3 . What are the possible prices of the magazines?

why was the house of burgesses important

Even though unlit city streets were dangerous, a. most city planners did nothing about it. b. professional police officers refused to patrol them. c. factory wo

Surface area of cylinders? Plz help! A cylindrical vase has height 16 in. and radius 2 in. Find the exact surface area of the vase in terms of π. Suppose a seco

Which of the following statements best describes the expansion of Islam? It quickly spread throughout the Middle East and North Africa. It became the dominant r

how did the discovery of electrons show that they are also prositive charge part of an atom