PLease help 5 + 4 x 3 - 1 = 18

use grouping symbols to make each equation true.

(5 + 4) x (3 - 1) = 18

5+5*6/2=24

24 - -=8

9_9_9_9=8

6 squared _2_7_2=4

7_9_3_1=25

Add 2 signs to make a true equation. 35=18