2x+6=16

解答

2 x + 6 = 16

x = 5

求解步骤

2 x + 6 = 16

将

6

到右边

2 x = 10

两边除以

2

x = 5

x + 3 = 2 x + 5

7 x + 8 = 22

so l v e f or x, a x + b = c

2 x + 4 \cdot (5 x - 3) = - 7 \cdot (2 + x) - (- 11 x - 11)

\frac{3 x + 1}{12} + \frac{1 - x}{12} = \frac{5 x + 4}{12}