Question

3(2a+3) -4(3a-6)=15

Answer 1

Distribute:


\(\Large \color{MidnightBlue}{\Rightarrow 6a + 9 - 12a + 24 = 15 }\)
\(\Large \color{MidnightBlue}{\Rightarrow -6a + 33 = 15 }\)
\(\Large \color{MidnightBlue}{\Rightarrow -6a = -18 }\)
\(\Large \color{MidnightBlue}{\Rightarrow a = 3 }\)

Answer 2

how did you get 6a+9-12a+24

Answer 3

Distributive property.

\(\Large \color{MidnightBlue}{\Rightarrow a(x \pm y) = ax \pm ay }\)

Answer 4

ohhhh ok thanks i understand now :)

Answer 5

a= 3 you should no that its easy