1 Answer

Ashar · Answer 1 · 2019-04-21T03:33:10+0000

x= a number

Less than means to subtract from the quantity.

(x + 7) - 12= -2
add 12 to both sides
x + 7= 10
subtract 7 from both sides
x=3

ANSWER: A number equals 3.

Hope this helps! :)

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