Question

The equation 180 - X= 132 represents

the number of stamps in Colin's collection,
Solve the equation for X.

Answer 1

x = 48

Explanation:

equation:

180 - x = 132

subtract 180 from each side:

180 - 180 - x = 132 - 180

-x = -48

divide both sides by -1:

`(-x)/(-1) = (-48)/(-1)`

x = 48

to check, substitute 48 for x:

180 - x = 132

180 - 48 = 132

132 = 132