Hey there!
5 (-3 + k) = 20
-15 + 5k = 20
5k = 20 + 15
5k = 35
k = 35 ÷ 5
k = 7
Hope it helps ya!
[tex]\boxed{\underline{\bf \: ANSWER}}[/tex]
[tex] \tt \: 5( - 3 + k) = 20 \\ \tt = (5 \times - 3 )+( 5 \times k) \\ = \underline{ \bf{ - 15 + 5k}}[/tex]
Hope it helps!
RainbowSalt2222
