Question

Solutia reala a ecuatiei-3x+2=-7.
Multumesc anticipat

Answer 1

-3x+2=-7
-3x=-7-2
-3x=-9
3x=9
x=3

Answer 2

$-3x+2=-7 \\ -3x=-7-2 \\ -3x=-9 \\ x=\frac{-9}{-3} \\ \Rightarrow \boxed{x=3}.$