aboy
aboy
22-09-2015
Mathematics
contestada
6r+7=13+7r help plz linear equations
Respuesta :
WorldCitizen
WorldCitizen
04-10-2015
Well, let's put all the "r"s on one side, alone:
6r-7r=13-7 //you can put the expressions on the other side of the equation if you change the sign
now we add up:
-r=6
now we multiply both sides by (-1):
r=-6
which is the solution!
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
Find the 6th term in the expanded form of the equation (2x+y)^9
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:
Jim, Carla and Tomy are members of the same family. Carla is 5 years older than Jim. Tomy is 6 years older than Carla. The sum of their 3 ages is 31 years. H
if the minimum velocity of a projectile is double the minimum velocity,the angle of projection is
Factor by grouping:4-12r+9r^2i know the answer is (2-3r)^2Can anyone explain to me how it is?
resources are an integral part of human survival.yet indiscriminate use of them by humans has led to a crisis situation."discuss the above ststement in light of
You have 5 pounds and 10 ounces of laundry. Your washer has a capacity of 7 pounds. How many more ounces of laundry would you need to make a full load?
true or false questions basic math 1.the total surface area of a cube each of whose edges is 12 inches long is 6 square feet 2.if the tank in a car holds 15 gal
what are the rational numbers of -12,0,35,4.85,√12,√36,19/6,-10/11,1.4949949994
A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32
