Answer:
x=7.
Step-by-step explanation:
To solve this you just hace to clear x from the equation and multipliead the other part of the equation by -84:
[tex]\frac{-6}{7} =\frac{-x}{84} \\x=\frac{6*-84}{7} \\x=\frac{504}{7}\\ x= 72[/tex]
So we know that the value of x in the equation will be 72,
