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主題
代數前
意味 著
模式
最大的共同因素
最小公共倍數
動作順序
分數
混合分數
優質保理
指數
基
代數
組合類似條款
變數的求解
因素
擴大
評估分數
線性方程
二次方程
不等式
方程式系統
矩陣
三角
簡化
評價
圖
求解方程
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衍生物
積分
限制
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清單
解 a
a=\frac{3b}{b-2},b\neq 2
a
=
b
−
2
3
b
,
b
=
2
檢視解決方案步驟
解線性方程式的步驟
a \cdot (b-2) = 3b
a
⋅
(
b
−
2
)
=
3
b
計算 a 乘上 b-2 時使用乘法分配律。
計算
a
乘上
b
−
2
時使用乘法分配律。
ab-2a=3b
a
b
−
2
a
=
3
b
合併所有包含 a 的項。
合併所有包含
a
的項。
\left(b-2\right)a=3b
(
b
−
2
)
a
=
3
b
將兩邊同時除以 b-2。
將兩邊同時除以
b
−
2
。
\frac{\left(b-2\right)a}{b-2}=\frac{3b}{b-2}
b
−
2
(
b
−
2
)
a
=
b
−
2
3
b
除以 b-2 可以取消乘以 b-2 造成的效果。
除以
b
−
2
可以取消乘以
b
−
2
造成的效果。
a=\frac{3b}{b-2}
a
=
b
−
2
3
b
解 b
b=\frac{2a}{a-3},a\neq 3
b
=
a
−
3
2
a
,
a
=
3
檢視解決方案步驟
解線性方程式的步驟
a \cdot (b-2) = 3b
a
⋅
(
b
−
2
)
=
3
b
計算 a 乘上 b-2 時使用乘法分配律。
計算
a
乘上
b
−
2
時使用乘法分配律。
ab-2a=3b
a
b
−
2
a
=
3
b
從兩邊減去 3b。
從兩邊減去
3
b
。
ab-2a-3b=0
a
b
−
2
a
−
3
b
=
0
新增 2a 至兩側。 任何項目加上零的結果都會是自己本身。
新增
2
a
至兩側。 任何項目加上零的結果都會是自己本身。
ab-3b=2a
a
b
−
3
b
=
2
a
合併所有包含 b 的項。
合併所有包含
b
的項。
\left(a-3\right)b=2a
(
a
−
3
)
b
=
2
a
將兩邊同時除以 a-3。
將兩邊同時除以
a
−
3
。
\frac{\left(a-3\right)b}{a-3}=\frac{2a}{a-3}
a
−
3
(
a
−
3
)
b
=
a
−
3
2
a
除以 a-3 可以取消乘以 a-3 造成的效果。
除以
a
−
3
可以取消乘以
a
−
3
造成的效果。
b=\frac{2a}{a-3}
b
=
a
−
3
2
a
測驗
Linear Equation
a \cdot (b-2) = 3b
a
⋅
(
b
−
2
)
=
3
b
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ab-2a=3b
計算 a 乘上 b-2 時使用乘法分配律。
\left(b-2\right)a=3b
合併所有包含 a 的項。
\frac{\left(b-2\right)a}{b-2}=\frac{3b}{b-2}
將兩邊同時除以 b-2。
a=\frac{3b}{b-2}
除以 b-2 可以取消乘以 b-2 造成的效果。
ab-2a=3b
計算 a 乘上 b-2 時使用乘法分配律。
ab-2a-3b=0
從兩邊減去 3b。
ab-3b=2a
新增 2a 至兩側。 任何項目加上零的結果都會是自己本身。
\left(a-3\right)b=2a
合併所有包含 b 的項。
\frac{\left(a-3\right)b}{a-3}=\frac{2a}{a-3}
將兩邊同時除以 a-3。
b=\frac{2a}{a-3}
除以 a-3 可以取消乘以 a-3 造成的效果。
類似問題
3(r+2s)=2t-4
3
(
r
+
2
s
)
=
2
t
−
4
a \cdot (b-2) = 3b
a
⋅
(
b
−
2
)
=
3
b
b-y=-mx
b
−
y
=
−
m
x
\frac{3a}{b}=c
b
3
a
=
c
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