Question

I think of a number, double it, and subtract two. I get nine. How do i solve the equation?​

Answer 1

Answer:

Step-by-step explanation:

let the number be x

ATQ, 2x-2=9

2x=9+2

2x=11

x=11/2 or 5.5

Answer 2

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Let x be the number

According to Question :-

Step 1 :- Double the number

$:\implies \sf2x$

Step 2 :- Subtract 2 from the number

$:\implies \sf2x - 2$

Step 3 :- On subtracting you get nine

$:\implies \sf2x - 2 = 9$

Step 4 :- Solve the equation

$\longrightarrow \sf2x - 2 = 9 \\ \\ \longrightarrow \sf2x = 9 + 2 \\ \\ \longrightarrow \sf2x =11 \\ \\ \longrightarrow \boxed{ \sf x = \frac{11}{2}}$