Does x 15 = 40
mean x * 15 = 40?
If so, how do you get x by itself?
You divide by 15, so
x = 40/15 = 8/3
now, unwind the + the same way.
On the other hand,
x+15 = 40
is exactly like
x+(15) = 40
Consider the equation x 15 = 40.
a. Describe how to solve the equation. What is the solution?
b. Does x + ( 15) = 40 have the same solution? How do you know?
2 answers
Answers please