12.0 is the answer I think
im not really sure about this since i think you can just stop at equation 1
Answer: -3.5
Step-by-step explanation:
you plug in -20 into why then you’d have -20=4x-6
the. you add 6 to the -20 to have the x alone.
then you’d have -14=4x
then you divide each side by 4 so -14/4 is -3.5