If $7 + 3 x = 22$ $7+3x=22$ , then what is $2 x$ $2x$ ?

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Answer 1 · 2015-12-07T16:34:10

$2 x = 10$ $2x=color(blue)(10$

$7 + 3 x = 22$ $7+3x=22$

$3 x = 22 - 7$ $3x=22-7$

$3 x = 15$ $3x=15$

$x = \frac{15}{3}$ $x=15/3$

$x = 5$ $color(blue)(x=5$

So $2 x = 2 \cdot 5$ $2x = 2*color(blue)(5$

$= 10$ $=color(blue)(10$

If 7+3x=227+3x=22, then what is 2x2x?