Solve the equations below and write the algebraic steps. The first one is done for you.
n + 2 = 12
n + 7 = 13
n + 7 = 8
n = 10
n = 6
n = 1
n + 5 = 18
n + 2 = 28
a + 17 = 35
n = 13
n = 26
a = 18
b + 4 = 56
x + 32 = 87
n + 25 = 28
b = 52
x = 55
n = 3
x + 15 = 125
x + 28 = 96
a + 12 = 12
x = 110
x = 68
a = 0