题目内容

解方程.
x+36=75
y-62=397x=84
4x=361.5x=9x÷1.3=6.5.

(1)x+36=75,
x+36-36=75-36,
x=39;

(2)y-62=39,
y-62+62=39+62,
x=101;

(3)7x=84,
7x÷7=84÷7,
x=12;

(4)4x=36,
4x÷4=36÷4,
x=9;

(5)1.5x=9,
1.5x÷1.5=9÷1.5,
x=6;

(6)x÷1.3=6.5,
x÷1.3×1.3=6.5×1.3,
x=8.45.
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