m + 3 = -10
m + 3 = 10
m = -10 - 3
m = -13
4x + 5 = 13
4x + 5 = 13
4x = 13 - 5
4x = 8
x = 8/4
x = 2
2x + 1 = -11
2x + 1 = -11
2x = -11 - 1
2x = -12
x = -6
3g + 2g + 1 = 21
3g + 2g + 1 = 21
5g + 1 = 21
5g = 21 - 1
5g = 20
g = 20/5
g = 4
n - 5 = 20
n - 5 = 20
n = 20 + 5
n = 25
2x + 3 = 15
2x + 3 = 15
2x = 15 - 3
2x = 12
x = 6
3x + 2 = 14
3x + 2 = 14
3x = 14 - 2
3x = 12
x = 12/3
x = 4
4a + 2a + 3 = 15
4a + 2a + 3 = 15
6a + 3 = 15
6a = 15 - 3
6a = 12
a = 12/6
a = 2
3n = 15
3n = 15
n = 15/3
n = 5
6x + 3 = -33
6x + 3 = -33
6x = -33 -3
x = -36/6
x = -6
4f - 2 = 14
4f - 2 = 14
4f = 14 + 2
4f = 16
f = 16/4
f = 4
10y - 7y + 3 + 2 = -13
10y - 7y + 3 + 2 = -13
3y + 5 = -13
3y = -13 - 5
3y = -18
y = -6
y = 1
-5x = 30
-5x = 30
x = 30/-5
x = -6
x/4 - 2 = 3
x/4 - 2 = 3
x/4 = 3 + 2
x/4 = 5
x = 5 (4)
x = 20
x/5 - 1 = 2
x/5 - 1 = 2
x/5 = 2 + 1
x/5 = 3
x = 3 (5)
x = 15
9s + s + 3 - 1 = 22
9s + s + 3 - 1 = 22
10s + 2 = 22
10s = 22 - 2
10s = 20
s = 20/10
s = 2
h/2 = -6
h/2 = -6
h = -6 (2)
h = -12
x/2 - 1 = -6
x/2 - 1 = -6
x/2 = -6 + 1
x/2 = 5
x = 5 (2)
x = 10
x/2 + 4 = 2
x/2 - 4 = 2
x/2 = 2 - 4
x/2 = -2
x = -2 (2)
x = -4
-10 ( 2 + 2z) = 110
-20 + -20z = 110
-20z = 110+20
-20z = 130
z = -6.5 or -6 1/2