Question

I think of a number, double it, and subtract two. I get nine.

a)
b)
Using the statement above, form an equation.
Use the letter 'x' for the unknown number.
Solve the equation.
Optional working
X =
11/2
+

Answer 1

2x-2=9

2x=9+2

2x=11

x=11/2

x=5.5

Answer 2

J.





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