bellamore
bellamore bellamore
  • 03-07-2018
  • Mathematics
contestada

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

Respuesta :

Creati
Creati Creati
  • 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

Which of the following is equal to tan(A)? cot(A) cot(B) tan(B)
The perimeter of an equilateral triangle is 21 inches. Find the length of the altitude
how do i solve this​
In "To a Poor Old Woman," which symbolic importance or meaning do the plums take on? Question 11 options: They represent youth, which the old woman wishes she s
In the years following the Civil War, White landowners in the South had land but no cash to pay laborers, and former slaves had labor but no cash or credit to b
fill in the table using this function rule. y=-3x-5
Find five solution pairs (x,y), including some negative values for 2,3, and 4 NOW!!!
which most likely explains why the author uses expressions like "growled," "balled his fists," and "straightened to look larger" to describe the characters?
Which of these is a banking activity of the fed?
“In which quadrant would you find point P if the coordinates of P are (–5, ...” Assuming that P is not on an axis, what are the possible answers to this questio