Question

198 - 3( x + 40 ) = 120

Answer 1

\(198-3\left(x+40\right)=120\\ \Rightarrow3\left(x+40\right)=78\\ \Rightarrow x+40=26\\ \Rightarrow x=-14\)

Answer 2

\(PT\Leftrightarrow3x+120=78\Leftrightarrow3x=-42\Leftrightarrow x=-14\)

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