\(\left[1824-\left(526+2x\right)\right]+318=1420\)
\(\left[1824-\left(526+2x\right)\right]=1420-318\)
\(\left[1824-\left(526+2x\right)\right]=1102\)
\(526+2x=1824-1102\)
\(526+2x=722\)
\(2x=722-526\)
\(2x=196\)
\(x=196\div2\)
\(x=98\)
Vậy x = 98