bellamore bellamore

03-07-2018
Mathematics

contestada

Solve for r:2r+7=13
Please help?

Respuesta :

03-07-2018

Hiya!

Switch the equation around:

2r + 7 = 13 ⇒ 13 - 7 = 2r

The sign changes when moved to the other side( + to -)

13 - 7 = 6

[tex] \frac{6}{2} = \frac{2r}{2} [/tex]

r = 2

Answer Link

Otras preguntas

Is 65 greater than 344? explain?.

Question 13 What is the value of Country 2's net exports? А. $35 billion B $45 billion C $55 billionD $75 billion

Is 65 greater than 344? explain?.

A spinner with 5 equally sized slices has 2 yellow slices, 2 red slices, and 1 blue slice. Mai spun the dial 25 times and got the following results?

How would you round the pounds and number of families in this question?

Which of the following is equivalent to 4 2/3? 3 6/3 3 5/3 3 12/3 3 4/3

Fireman Bob leans a 40 foot ladder against a building at an angle of elevation of 70'. How far is the base of the ladder from the building (round your answer t

Why are there Gender and Racial biases in the U.S adoption system? And why is this an important problem?

How do Travis, Ruth, Mama, and Walter feel at the end of Act 1?

please ill give u 20 point plus brainlist