问题
解答题
解方程:
2(X-3)=6
1.2X+0.4×3=3.6.
答案
(1)2(x-3)=6,
2x-6=6,
2x=12,
x=6;
(2)1.2x+0.4×3=3.6,
1.2x+1.2=3.6,
1.2x=3.6-1.2,
1.2x=2.4,
x=2.
解方程:
2(X-3)=6
1.2X+0.4×3=3.6.
(1)2(x-3)=6,
2x-6=6,
2x=12,
x=6;
(2)1.2x+0.4×3=3.6,
1.2x+1.2=3.6,
1.2x=3.6-1.2,
1.2x=2.4,
x=2.