Question

-2j =-90


Answer:
j = ?

Answer the ? Mark pls

Answer 1

`\huge\boxed{j=45}`

Explanation:

`-2j=-90\qquad|\text{divide both sides by (-2)}\\\\(-2j)/(-2)=(-90)/(-2)\qquad|\text{we know}\ ((-))/((-))\to(+)\\\\(2\!\!\!\!\diagup j)/(2\!\!\!\!\diagup)=(90)/(2)\\\\j=45`

Answer 2

j = 45

Explanation:

-2j =-90

Divide each side by -2

-2j/-2 = -90/-2

j = 45