Can someone please help me with this math problem and please explain how you got your answer ​

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false