Question

解方程例题2(3-x)=-4(x+5)0.5(x-4)-(3x+4)=-7.53(-2x-5)+2x=9x-7/4 -

Answer 1

2(3-x)=-4(x+5)

6-2x=-4x-20

2x=-26

x=-13

0.5(x-4)-(3x+4)=-7.5

0.5x-2-3x-4=-7.5

-2.5x=-1.5

x=3/5

3(-2x-5)+2x=9

-6x-15+2x=9

-4x=24

x=-6

x-7/4 - 5x+8/3=1

3x-21-20x-32=12

-17x=65

x=-65/17