1.) 2x+9 = -7x+4 2.) -3(-7x-5) = 2(-10x+4) 3.) 1/2(5x+10) = 5/4(4x-8) 4.)4x+7/3 = 5x-1/4 5.)2x/7 = 3x-1/2 Tulis Jawaban berserta Jalannya..

1) 2x+7x=4-9
9x=-5
x=-5/9= -0,556
2)21x+15=-20x+8
21x+20x=8-15
41x=-7
x=-7/41
x=-0,1707
3)4(1/2(5x+10))=4(5/4(4x-8))
2(5x+10)=5(4x-8)
10x+20=20x-40
20+40=20x-10x
60=10x
x=10/60
x=0,11
4)12(4x+7/3)=12(5x-1/4)
48x+28=60x-3
28+3=60x-48x
31=52x
x=52/31
x=1,667
5)14(2x/7)=14(3x-1/2)
4x=42x-7
7=42x-4x
7=38x
x=7/38
x=0,184