Solve for the variable
2(x-3)=-2+2x

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

Answer this question, only if you know the answer. 30 points and brainliest!

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.