5(a+2)+9=64
5a + 10 + 9 = 64
5a = 64 – 9 – 10
5a = 45
a = 9
2•(3x+1)-3=11
6x + 2 – 3 = 11
6x = 11 + 3 – 2
6x = 12
x = 2
17•(5x-3)-34=1700
85x – 51 – 34 = 1700
85x = 1700 + 34 + 51
85x = 1785
x = 21
6•(3x+6)+22=2344
18x + 36 + 22 = 2344
18x = 2344 – 22 – 36
18x = 2286
x = 127
5(a+2)+9=64
5a + 10 + 9 = 64
5a = 64 – 9 – 10
5a = 45
a = 9
2•(3x+1)-3=11
6x + 2 – 3 = 11
6x = 11 + 3 – 2
6x = 12
x = 2
17•(5x-3)-34=1700
85x – 51 – 34 = 1700
85x = 1700 + 34 + 51
85x = 1785
x = 21
6•(3x+6)+22=2344
18x + 36 + 22 = 2344
18x = 2344 – 22 – 36
18x = 2286
x = 127