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1次方程式のプリント
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1次方程式
レベル3 · かっこや分数をふくむ
名前
組
方程式を解きなさい。
1.
4
(
x
+
6
)
=
0
4(x + 6) = 0
4
(
x
+
6
)
=
0
x
=
x =
x
=
2.
3
(
x
+
4
)
=
24
3(x + 4) = 24
3
(
x
+
4
)
=
24
x
=
x =
x
=
3.
5
(
x
+
4
)
=
10
5(x + 4) = 10
5
(
x
+
4
)
=
10
x
=
x =
x
=
4.
4
(
x
−
3
)
=
5
(
x
−
2
)
4(x - 3) = 5(x - 2)
4
(
x
−
3
)
=
5
(
x
−
2
)
x
=
x =
x
=
5.
2
(
x
−
3
)
=
4
(
x
−
4
)
2(x - 3) = 4(x - 4)
2
(
x
−
3
)
=
4
(
x
−
4
)
x
=
x =
x
=
6.
2
(
x
−
8
)
=
3
(
x
−
8
)
2(x - 8) = 3(x - 8)
2
(
x
−
8
)
=
3
(
x
−
8
)
x
=
x =
x
=
7.
x
8
−
5
=
−
4
\frac{x}{8} - 5 = -4
8
x
−
5
=
−
4
x
=
x =
x
=
8.
x
2
+
6
=
−
2
\frac{x}{2} + 6 = -2
2
x
+
6
=
−
2
x
=
x =
x
=
9.
x
+
4
6
=
x
−
9
3
\frac{x + 4}{6} = \frac{x - 9}{3}
6
x
+
4
=
3
x
−
9
x
=
x =
x
=
10.
x
+
7
5
=
x
−
5
4
\frac{x + 7}{5} = \frac{x - 5}{4}
5
x
+
7
=
4
x
−
5
x
=
x =
x
=
解答
1次方程式 · レベル3 · かっこや分数をふくむ
1.
x
=
−
6
x = -6
x
=
−
6
2.
x
=
4
x = 4
x
=
4
3.
x
=
−
2
x = -2
x
=
−
2
4.
x
=
−
2
x = -2
x
=
−
2
5.
x
=
5
x = 5
x
=
5
6.
x
=
8
x = 8
x
=
8
7.
x
=
8
x = 8
x
=
8
8.
x
=
−
16
x = -16
x
=
−
16
9.
x
=
22
x = 22
x
=
22
10.
x
=
53
x = 53
x
=
53
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