→x+1+x+2+x+3+x+4=34
→(x+x+x+x)+(1+2+3+4)=34
→4x+10=34
→4x=34-10=24
→x=24:4=6
\(\left(x+1\right)+\left(x+2\right)+\left(x+3\right)+\left(x+4\right)=34\\ \Leftrightarrow4x+\left(1+2+3+4\right)=34\\ \Leftrightarrow4x+10=34\\ \Leftrightarrow4x=24\\ \Leftrightarrow x=6\)
\(x+1+x+2+x+3+x+4=34\\ \left(x+x+x+x\right)+\left(1+2+3+4\right)=34\\ 4x+10=34\\ 4x=34-10\\ 4x=24\\ x=6\)
\(\left(x+1\right)+\left(x+2\right)+\left(x+3\right)+\left(x+4\right)=34\)
\(\Leftrightarrow\left(x+x+x+x\right)+\left(1+2+3+4\right)=34\)
\(\Leftrightarrow4x+10=34\)
\(\Leftrightarrow4x=34-10\)
\(\Leftrightarrow4x=24\)
\(\Leftrightarrow x=24:4\)
\(\Leftrightarrow x=6\)