Question

if 5 x + 4 is equal to 2 bracket 9 - x then X is

Answer 1

$5x + 4 = 2(9 - x) \\ 5x + 4 = 18 - 2x \\ 7x = 14 \\ x = 2$
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Answer 2

5x+4=2(9-x)
5x+4=18-2x
7x=18-4=14
7x=14
=>X=2