40x+22=43(x-1)+23
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答案14,x=14,解:40x+22=43x-43+23,40x+22=43x-20,22+20=43x-40x,42=3x,3x=42,x=14
咨询记录 · 回答于2023-01-06
40x+22=43(x-1)+23
答案14,x=14,解:40x+22=43x-43+23,40x+22=43x-20,22+20=43x-40x,42=3x,3x=42,x=14
答案14,x=14,解:40x+22=43x-43+23,40x+22=43x-20,22+20=43x-40x,42=3x,3x=42,x=14,方程的解是x=12,先去括号,然后移项,合并同类项,解出x=14
扩展:先去括号,然后移项,合并同类项,最后解方程x=14
答案14,x=14,解:40x+22=43x-43+23,40x+22=43x-20,22+20=43x-40x,42=3x,3x=42,x=42➗3,x=14,方程的解是x=14,先去括号,然后移项,合并同类项,解出x=14
答案14,x=14,解:40x+22=43x-43+23,40x+22=43x-20,22+20=43x-40x,42=3x,3x=42,x=42➗3,x=14,方程的解是x=14,先去括号,然后移项,合并同类项,解出x=14