holackmo holackmo

09-02-2022
Mathematics

contestada

Consider the equation 7x+2(x+5)=9x+10.
(a) Show that x=-5 and x = 2 are both solutions to this equation.

Respuesta :

futurepresidentage13 futurepresidentage13

10-02-2022

Answer:

7*-5+2(-5+5)=-35

9*-5+10=-35

7*2+2(2+5)=28

9*2+10=28

Step-by-step explanation:

when plugging the x values in, you get the same answer for both equation, make the equation equal.

Answer Link

Otras preguntas

why copper and chromium having Anamalous electronic configuration?

anong ang naidulot ng karunungang bayan sa atin

The conclusion of the story reveals

solve the equation and show work 2 (f - 2) = 3 (2f + 5) -8

give the function of a Egg cellplease not a copy and paste answer

Why did some Americans boycott grapes in the 1960s? A. To support voter registration B. To help a grape workers Union C. To help the military D. To support ora

The product of 3 and a number is at most 21.

PLEASE HELP will mark brainliest!!!

3. A rectangular garden has an area of 40m² and a perimeter of 26m. The length of the garden is a cm and its width is b cm. (a) Form two equations involving a a

help asap Circle the correct answer. 1. They aren't coming / They won't come with us tomorrow. They're busy. 2. I don't want to talk to Lisa about it. She isn't