[tex]\text {Hello! The answer to your problem is j=-13}[/tex]
[tex]\text {Subtract 4j:}\\\text {6j+16-4j=4j-10-4j}\\\text {2j+16=-10}[/tex]
[tex]\text {Subtract 16:}\\\text {2j+16-16=-10-16}\\\text {2j=-26}[/tex]
[tex]\text {DIVIDE both sides by 2:}\\\text {2j/2=-26/2}\\\text {x=-13}[/tex]
[tex]\text {Hope this helps!}\\\\\text {-LimitedX}[/tex]