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©2024 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E2-10]
(1)
0.96
＋
1.6
x
=
−1.6
x
(2)
0.5
＋
0.5
x
=
1
(3)
0.88
＋
(
−0.6
)
x
=
−1.7
x
(4)
1.17
＋
x
=
0.1
x
(5)
1.4
＋
0.3
x
=
x
(6)
−1.2
−
x
=
−1.5
(7)
0.6
−
(
−0.1
)
x
=
0.47
(8)
−1.7
−
(
−0.3
)
x
=
−1.97
(9)
1.7
x
＋
(
−1.44
)
=
0.8
x
(10)
0.5
−
1.1
x
=
2.15
(11)
−0.5
x
＋
1.5
=
2.5
(12)
−0.3
x
＋
(
−1.6
)
=
−1.3
(13)
1
−
0.7
x
=
2.19
(14)
−0.7
−
1.5
x
=
−1
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
0.96
＋
1.6
x
=
−1.6
x
1.6
x
＋
1.6
x
=
−
0.96
3.2
x
=
−0.96
x
=
−0.3
(2)
0.5
＋
0.5
x
=
1
0.5
x
=
1
−
0.5
0.5
x
=
0.5
x
=
1
(3)
0.88
＋
(
−0.6
)
x
=
−1.7
x
−0.6
x
＋
1.7
x
=
−
0.88
1.1
x
=
−0.88
x
=
−0.8
(4)
1.17
＋
x
=
0.1
x
x
−
0.1
x
=
−
1.17
0.9
x
=
−1.17
x
=
−1.3
(5)
1.4
＋
0.3
x
=
x
0.3
x
−
x
=
−
1.4
−0.7
x
=
−1.4
x
=
2
(6)
−1.2
−
x
=
−1.5
−
x
=
−1.5
＋
1.2
−
x
=
−0.3
x
=
0.3
(7)
0.6
−
(
−0.1
)
x
=
0.47
0.1
x
=
0.47
−
0.6
0.1
x
=
−0.13
x
=
−1.3
(8)
−1.7
−
(
−0.3
)
x
=
−1.97
0.3
x
=
−1.97
＋
1.7
0.3
x
=
−0.27
x
=
−0.9
(9)
1.7
x
＋
(
−1.44
)
=
0.8
x
1.7
x
−
0.8
x
=
1.44
0.9
x
=
1.44
x
=
1.6
(10)
0.5
−
1.1
x
=
2.15
−
1.1
x
=
2.15
−
0.5
−
1.1
x
=
1.65
x
=
−1.5
(11)
−0.5
x
＋
1.5
=
2.5
−0.5
x
=
2.5
−
1.5
−0.5
x
=
1
x
=
−2
(12)
−0.3
x
＋
(
−1.6
)
=
−1.3
−0.3
x
=
−1.3
＋
1.6
−0.3
x
=
0.3
x
=
−1
(13)
1
−
0.7
x
=
2.19
−
0.7
x
=
2.19
−
1
−
0.7
x
=
1.19
x
=
−1.7
(14)
−0.7
−
1.5
x
=
−1
−
1.5
x
=
−1
＋
0.7
−
1.5
x
=
−0.3
x
=
0.2