Question
Which equation matches the statement: "The sum of -4x and 2 is 9"?
A -4x+2=9
B -4x+9=2
C -4x(2)=9*
D -4x-2=9
Solve. 1
___ x = 12
3
A x=4
B x=15
C x=36
D x=39*
Am i correct on these?
A -4x+2=9
B -4x+9=2
C -4x(2)=9*
D -4x-2=9
Solve. 1
___ x = 12
3
A x=4
B x=15
C x=36
D x=39*
Am i correct on these?
Answers
Steve
#1A "sum" means add. "product" multiply.
#2C I have no idea how you came up with your answer. If you meant
x/3 = 12
then multiply both sides by 3, since 3/3 = 1. Then you have
x = 36
You did the multiplication, and then added another 3. Why? 39 is the solution to
(x-3)/3 = 12
#2C I have no idea how you came up with your answer. If you meant
x/3 = 12
then multiply both sides by 3, since 3/3 = 1. Then you have
x = 36
You did the multiplication, and then added another 3. Why? 39 is the solution to
(x-3)/3 = 12