Question

If three times Linda's age is decreased by 36,the result is twice Linda's age.How old is linda

Answer 1

x=lindas age
3 times lindas age (3 time x or 3x) is decreased by 36 (-36), the result (=) is twice lindas age (2 times x or 2x)

now we have
3x-36=2x
subtract 2x
x-36=0
add 36
x=36
age=36