化简 (5x-3)-(3x+2)

解答

化简

(5 x - 3) - (3 x + 2)

2 x - 5

求解步骤

(5 x - 3) - (3 x + 2)

使用法则:

(a) = a

(5 x - 3) = 5 x - 3

= 5 x - 3 - (3 x + 2)

使用分配律:

- (a + b) = - a - b

- (3 x + 2) = - 3 x - 2

= 5 x - 3 - 3 x - 2

对同类项分组

= 5 x - 3 x - 3 - 2

s im pl i f y \frac{3}{10} \cdot \frac{3}{5}

s im pl i f y - 3 x + 5 + 3 x^{2} + x - 8

s im pl i f y ln (2) - ln (0)

s im pl i f y \frac{d - c}{\frac{c}{d} - \frac{d}{c}}

s im pl i f y \frac{\frac{1}{x - 1} - 1}{\frac{1}{x - 1} + 1}