\(-5x-\left(-3\right)=13\)
\(-5x+3=13\)
\(-5x=13-3\)
\(-5x=10\)
\(x=10:\left(-5\right)\)
\(x=-2\)
-5x-(-3)=13
-5x+3=13
-5x=13-3
-5x=10
x=10:(-5)
x=-2
nha bạn
^_^
-5x + 3 = 13
-5x = 13 +3
-5x = 15
x = 15 : ( - 5 )
x = - 5
-5x-(-3)=13 -5x =13+(-3) -5x =10 x =10:(-5) x =-2 Vây x=-2