$$ \begin{aligned} 2x+26+3 &= x+19&& \text{simplify left side} \\[1 em]2x+29 &= x+19&& \text{move the $ \color{blue}{ x } $ to the left side and $ \color{blue}{ 29 }$ to the right} \\[1 em]2x-x &= 19-29&& \text{simplify left and right hand side} \\[1 em]x &= -10&& \\[1 em]x &= -10&& \\[1 em] \end{aligned} $$
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