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7 questions
Using x for the mystery number, Write an expression for
3 more than the number
3-x
x+3
x-3
Using x for the mystery number, Write expression for
21 less than the number
21+x
21-x
x-21
Using x for the mystery number, Write an expression for
the number subtracted from 50
50-x
x-50
50+x
Using x for the mystery number, Write an expression for
the number with 8 added
x+8
8-x
x-8
y added to x
x+y
y-x
x-y
6 more than 3 times a
6- 3a
6+ 3a
3a-6
half b
b/2
b+2
b-2
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