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

The angle of elevation of a ladder leaning against a wall is 45°. If the distance from the base of the ladder to the wall is 12 feet, how long is the ladder? S

The story about the Crucible

Why were the Alien and Sedition Acts controversial? A) They were passed over President Adams' veto. B) Many thought they violated the Constitution. C) They fa

Tye word ethics derived from the greek word ethos which means

Someone plz help me!!!

Solve the equation: x^3 - 12x^2 + 48x - 64 = 0

A tax on businesses based on the value of equipment & machinery is called

Can somebody send me the answer I do not understand pls

Dexter has a gift card for $20.00 to an electronics store. He also has a coupon for 25% off his entire purchase, so he will be paying 75% of the total cost. He

Which of the following items is not part of the composition of the soil-like lunar regolith?