Question

(15+x).27=27

Answer 1

( 15 + x ) . 27 = 27

( 15 + x ) = 27 : 27

( 15 + x ) = 1

=> x = \(\varnothing\)

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Answer 2

x=27:27-15=-14

Answer 3

\(\left(15+x\right).27=27\)

\(\Rightarrow15+x=1\)

\(\Rightarrow x=-14\)