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 ( 37+ )
Otras preguntas
The slope-intercept form of a linear equation is y = mx + b, where x and y are coordinates of an ordered pair, m is the slope of the line, and b is where the li
About how many people did africa lose to the atlantic slave trade?
In "Orphans Give Indian Couple Will to Live", the Paramesvarans felt guilty because... a. they are not allowed to adopt any more children. b. the could not appr
Suzanne makes a tower out of six identical plastic box. Then she uses a pan balance to measure the mass of the tower. She finds the tower's mass is 72 g. What i
What is the answer to this HURRY
Which of the following pieces of evidence would best support an argument in favor of healthy school lunch options? a) A survey of students' favorite school lunc
Michael started a savings account with $300 after four weeks he had $350 and after nine weeks he had $400 what is the rate of change of money in a savings accou
Which is NOT a characteristic of a compound sentence? A. It has two sets of subject and verb pairs. B. It may contain a comma and a conjunction or a semicolon.
the lapita civilization is best known for its _____. religious practices extensive empire beautiful pottery advanced technology
Is this statement true or false? you should not interview to gather information because the person you interview might be biased. true false
