4x—3×9=29怎么解?(用等式的性质来解) 4x-3*9=29 解方程怎么算?
4x\u20133\u00d79=29\u7684\u89e3\u6cd54x\u20133\u00d79=29
\u89e3\uff1a4x-27=29
4x=29+27
4x=56
x=14
4x-3*9=29
\u89e34x-3*9+3*9=29+3*9
4x/4=56/4
x=14
同时加3乘9
绛旓細4X涓27=29,4X=29+27=56,X=56梅4=14
绛旓細瑙o細锛1锛4X - 3* 9= 29 4x-27=29 4x=27+29 4x=56 x=56梅4 x=14 锛2锛(4x-3)X9=29 36 X - 27= 29 36 X =29+27 36 X = 56 X = 56 梅 36 X= 14 / 9
绛旓細4✘-3x9=29 4✘-27=29-27 4✘=2 4✘梅4=2梅4 ✘=0.5
绛旓細鎮ㄥソ锛佸緢楂樺叴鍥炵瓟鎮ㄧ殑闂锛佽В锛4x-3脳9=29 4x=29锛27 4x=56 x=56梅4 x=14 鎮ㄧ殑閲囩撼鍜岀偣璧炴槸瀵规垜鏈澶х殑鏀寔锛佺鎮ㄥソ杩愶紒璋㈣阿锛
绛旓細4x鍑3脳9绛変簬29鏂圭▼ 瑙o細4x-27=29 4x=29+27 4x=56 x=56梅4 x=14
绛旓細瑙o細4X-27=29 4X=29+27 4X =56 X =14
绛旓細1銆佽В鏂圭▼锛4x-3脳9=29 4x-27=29 4x-27+27=29+27 4x=56 4x梅4=56梅4 x=14 2銆佽В鏂圭▼鐨勪緷鎹細绛夊紡鐨勫熀鏈ц川锛堢瓑寮忎袱杈癸紝鍚屾椂鍔犱笂銆佸噺鍘汇佷箻涓婇櫎浠ョ浉鍚岀殑鏁帮紝0闄ゅ銆傜瓑寮忎粛鐒舵垚绔嬨傦級
绛旓細鍥炵瓟锛氬悓鏃跺姞3涔9
绛旓細4x锛3 脳9 = 29 4x-27=29 4x=29+27 4x=56 x=56梅4 x=14
绛旓細鍥炵瓟锛4x-27=29 4x=27+29 4x=56 x=56/4 x=14