-8(-10)
80
22 * 3 + 1
13
X-8 = 13
21
a letter used to stand for a number
variable
the whole numbers and their opposites
integers
-8-(-5)
-3
what is the Order of operations
use the mathematical terms
please excuse my dear aunt sally
3X= -30
-10
an expressions that states two terms are =
equation
fractions and decimals
rational numbers
10/-5
-2
What is the first step in this problem?
DO NOT GIVE NUMBERS JUST THE OPERATION
(2 + 3)3 -4 +2(5)
ADD
2 + X = -9
-11
a number multiplied by a variable
coefficient
a whole number that is not a counting number
0
4+-3
1
what is the second step in this problem
(2 + 3)3 -4 +2(5)
exponents
X/-2= 10
-20
to get the variable by itself
isolate
ALL the sets to which 400 belongs IN ORDER
natural number
whole number
integers
rational number
when you subtract integers, all you do is __________________ the _________________
add the opposite
Which step contains the mistake?
(2 + 3)3 -4 +2(5)
1. (5)3 -4 +(10)
2. 15-4 +10
3.21
step 2
in this equation
3X = -2 what is the opposite of the operation that you see?
division
the inverse of addition
subtraction
why is -3/5 NOT AN INTEGER
3/5 is not a whole number