Ms. ford is 48 and ms. lincoln is 35. how many years ago was ms. ford exactly twice as old as ms. lincoln

X=how many years

ago means minus

48-x is age before for Ms. ford

35-x is age before for ms. lincoln

when is ford twice lincoln

f=2l

48-x=2 (35-x)

distribute

48-x=70-2x

add 2x both sides

48+x=70

minus 48 from both sides

x=22

22 years ago

ms. ford was 26 and ms lincoln was 13

22 years ago Ford was 26 and Lincoln was 13.