Question

My age is twice what my age was 15 years ago . what was my age 15 years ago ?​

Answer 1

Answer:

i guess equation must be 2x - 15 = x, x= the age of 15 years ago

Step-by-step explanation:

so the answer is 15 years

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Answer 2

Answer:

$\large\bf\underline\red{Question ➡} \\ \\ \tt \: my \: age \: is \: twice \: what \: my \: age \: \\ \tt \: was \: 15 \: years \: ago \: . \: what \: was \: my \: \\ \tt \: age \: 15 \: years \: ago \: ? \\ \\ \large\bf\underline\red{solution➡} \\ \\ \bf \: let \: present \: = x \: year \\ \therefore \: \bf \: age \: ago \: 15 \: years \: =( x -1 5)years \\ \\ \bf \underline{according \: to \:question} \\ \\\sf 2(x - 15) = x \\ \\ \sf \: 2x - 30 = x \\ \\ \sf \: 2x - x = 30 \\ \\ \sf \fbox\red{ x = 30 }\\ \\ \sf \underline \blue{present \: age \: is \: 30 \: years} \\ \\ \bf \: age \: ago \: 15 \: years \: : - \\ \\\sf x - 15 = 30 - 15 \\ \\ =\bf \: 15 \: years \\ \\ \bf \underline{therefore \: age \:ago \: 15 \: years : - } \: \: \small{\boxed{\mathfrak\red{\fcolorbox{magenta}{aqua}{15 \: years}}}}$