Tìm <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-1"><span class="MJXp-mstyle" id="MJXp-Span-2"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-3">x</span></span></span></span><script type="math/tex" id="MathJax-Element-1">\large x</script>, biết: (22 975 + 1250) ∶ <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-4"><span class="MJXp-mstyle" id="MJXp-Span-5"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-6">x</span></span></span></span><script type="math/tex" id="MathJax-Element-2">\large x</script> = 5 \(\large x\