Question

The difference of twice a number and five is three. Find the number.

Translate the word problem to an equation. Which steps describe how to solve the equation?

add 2 then multiply by 1/5
multiply by 1/2 then add 5
add 5 then multiply by 1/2
subtract 5 then multiply by - 1/2

Answer 1

2x-5=3

Answer 2

Move -5 to the RHS.
2x = 8
Divide each side by 2.
x = 4

Answer 3

twice a number = 2x...
the difference means a subtraction problem...
is means equals...
the difference of twice a number and 5 is 3...
2x - 5 = 3 --- add 5 to both sides
2x = 8 -- divide both sides by 2, or you can multiply both sides by 1/2
x = 4
questions ?