One Step
x + 8 = 22
x + 8 = 22
-8 -8
x = 14
2x + 5 = 23
2x + 5 = 23
-5 -5
2x = 18
/2 /2
x = 9
30 - n = 20
30 - n = 20
+n +n
30 = n + 20
-20 -20
10 = n
True or False:
You are a Math person
True! You can get better at stuff (including Math).
y - 5 = 8
y - 5 = 8
+5 +5
y= 13
m/2 + 7 = 21
m/2 + 7 = 21
-7 -7
m/2 = 14
x2 x2
m = 28
6 = 30/f
6 = 30/f
xf xf
6f = 30
/6 /6
f = 5
Top number bigger, proceed with _________!
Vigor!
12c = 36
12c = 36
/12 /12
c = 3
1 = 5y - 24
1 = 5y - 24
+24 +24
25 = 5y
/5 /5
5 = y
(d + 3) /4 = 2
(d + 3) /4 = 2
x4 x4
d + 3 = 8
-3 -3
d = 5
What is the last step in solving ANY 1 or 2-step equation?
Perform a CHECK!
p/4 = 8
p/4 = 8
x4 x4
p = 32
t/10 + 7 = 12
t/10 + 7 = 12
-7 -7
t/10 = 5
x10 x10
t = 50
17 - 3v = 11
17 - 3v = 11
+3v +3v
17 = 3v + 11
-11 -11
6 = 3v
/3 /3
2 = v
Why are we doing Math twice today?
Because Mr. Pohanka said so (and he's mean, and we have a quiz tomorrow)
136 = 17a
136 = 17a
/17 /17
8 = a
or a = 8
23 + 14b = 107
23 + 14b = 107
-23 -23
14b = 84
/14 /14
b = 6
4s - 16 = -4
4s - 16 = -4
+16 +16
4s = 12
/4 /4
s = 3
What is Pi?
3.14 - It's also a desert if you spell it "Pie"