Level 1
What is the inverse of subtraction?
addition
x/8=12
96
3x+4=13
3
6x+(-1)=11
2
z/2-(-8)=11
6
What is the inverse of division?
multiplication
x+3=14
11
x/3+8=11
9
x/5+12=-13
-25
1/2b-(-5)=-7
-24
Define the opposite of a number
A number with a different sign but the same absolute value
t-10=23
33
9-2x=1
4
10x+45=25
-2
3.88+2v=5.88
1
Define absolute value
The distance from a number to 0
6g=102
17
g/6+14=20
36
-3w+29=-13
14
(3s)/5+(-4)=-5.62
-2.7
True or false: the absolute values of opposite numbers are the same
True
0.2x=13
65
17x-15=87
6
-d/5-(-10)=-65
375
-1.1w+1.82=-13.58
14