I WILL REWARD BRAINLIEST can someone answer these I have an idea of what the answer is I just need it checked before I turn it in hurry it's due today solve for x

−2x=16
(my answer x=0)

−2+3x=16
(my answer x=-2/13)

6x−5x=2x+6
(my answer x=0)

1+3(6x−2)=−5(1+5x)
(my answer x=−23±7√21/50)

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.