解方程6X等于126
x=126÷6x=21
绛旓細浣犲ソ锛氳В绛斿涓嬶細楠岀畻濡備笅锛鏂圭▼宸﹁竟=6脳锛坸+5锛=6脳锛16+5锛=6脳21=126=鏂圭▼鍙宠竟銆傛墍浠ヨ绠楁纭
绛旓細绗竴绉嶏細6x-30=126 6x=156 x=26 绗簩绉嶏細x-5=126梅6 x-5=21 x=26 璇烽噰绾筹紝璋㈣阿
绛旓細瑙ｆ柟绋x鐨勫硷細126-6x=6 瑙ｉ鎬濊矾锛氳绠椾竴鍏冧竴娆℃柟绋嬶紝闇瑕佸皢鏈煡鏁扮Щ鍔ㄥ埌宸﹁竟甯告暟绉诲姩鍒板彸杈癸紝瀹屾垚绉诲姩鍚庢渶缁堢畻鍑烘湭鐭ユ暟鐨勭粨鏋溿傝В棰樿繃绋嬶細126-6x=6 6x=126-6 x=20 瀛樼枒璇疯拷闂弧鎰忚閲囩撼
绛旓細锛1锛6x+7脳6=126锛6x+42=126锛6x+42-42=126-42锛6x梅6=84梅6锛寈=14锛涳紙2锛夛紙n+3锛壝5=1.3锛岋紙n+3锛壝5脳5=1.3脳5锛宯+3-3=6.5-3锛宯=3.5锛涳紙3锛3脳锛79+y锛=357锛3脳锛79+y锛壝3=357梅3锛79+y-79=119-79锛寉=40锛
绛旓細60+6(X-9)=126 瑙ｏ細6(X-9)=126-60 鈥斺斾竴涓姞鏁=鍜-鍙︿竴涓姞鏁 6(X-9)=66 X-9=66梅6 鈥斺斾竴涓洜鏁=绉峰彟涓涓洜鏁 X-9=11 X=11+9 鈥斺旇鍑忔暟=宸+鍑忔暟 X=20
绛旓細6x+42=126锛堜箻娉曞垎閰嶅緥锛6x=126-42锛堢Щ椤癸級6x=84 x=14
绛旓細11x+45y=139 (1)6x+27y=-24 (2)(2)X11-(1)X6寰楋細27y=-1098 y=-14/3 鎶妝=-14/3浠ｅ叆锛2锛夊緱锛6x-126=-24 6x=150 x=25 鎵浠 鍘鏂圭▼缁勭殑瑙ｆ槸锛歺=25 y=-14/3銆
绛旓細6x*14-6x^2-336+24x=126 6x^2-108x+462=0 x^2-18x+77=0 鐢ㄦ眰鏍瑰叕寮弜=銆18+/-鏍瑰彿鍐咃紙18^2-4*1*77锛夈/2=11銆7 鎴栬呯敤鍗佸瓧鐩镐箻娉曞垎瑙ｄ负 锛坸-11)(x-7)=0 鍗冲彲寰梮1=11,x2=7
绛旓細涓よ竟闄や互6 x+5=126梅6 x+5=21 绉婚」 x=21-5 x=16
绛旓細126-x=x/6 瑙ｏ細鏂圭▼涓よ竟閮戒箻浠6锛屽緱 126x6-6X=X 126x6=6X+X 7X=126x6 X=126梅7x6 X=18x6 X=108 绁濆ぉ澶╁悜涓娿
