Solving One Step Equations Easy
r + 3 = 4
r = 1
13h = 39
h = 3
200r = 1800
r = 9
k - 3.6 = 12.14
k = 15.74
A letter used in place of a number?
What is a variable
n - 2 = 5
n = 7
68 = x - 52
x = 120
b/100 = 400
3.2j = 12.8
j = 4
What is the meaning of inverse?
Opposite
3t = 9
t = 3
g/8 = 16
g = 128
24,890 = t + 8,740
t = 16,150
c/3.4 = 9.03
c = 30.702
A math problem with an equal sign.
What is an equation?
y/2 = 6
y = 12
87 = 30 + p
p = 57
n - 26,620 = 56,710
n = 83,330
45.4 = w + 9.13
w = 36.27
What is the difference between expression and equation?
without equa sign and with equal sign
d + 6 = 6
d = 0
65 = k - 17
k = 82
f - 200 = 900
f = 1,100
k + 5.2 = 12
k = 6.8
What substitution means?
To repace the value of a variable in a given number.