Whats the value of 1/4

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m