\(x+37,5+x2=111,9\)
\(x+2x+37,5=111,9\)
\(x\cdot\left(1+2\right)+37,5=111,9\)
\(3x=111,9-37,5=74,4\)
\(x=\frac{74,4}{3}=24,8\)
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