(2 + 4) + 5 = 6 + 5 = 11

1+(2+3)+4=1+2+(3+4)

65 +1=65
148 * 1 = 148

a * 1/a = 1

2a+5a= 7a

7 (5+6) = 77

x*3/3 = -2*3

25x+7

a = 39

3|36-44| =24

a^2+7

3a^2+28=5a^2+1

2a+1=45+4a
2a+1=45
2a+44
a=22

6(a+7)+18 = 24
=6a+42

2/3=4/6

61+4a >= 71

√25 = 5

1,4,9,36

a^2 + 18 = 22