s=w-10e/m for w
Add 10e/m to each side to isolate w:
s + 10e/m = w - 10e/m + 10e/m
Cancel the 10e/m on the right side, and we get:
w = s + 10e/m
Add 10e/m to each side to isolate w:
s + 10e/m = w - 10e/m + 10e/m
Cancel the 10e/m on the right side, and we get:
w = s + 10e/m