Question

Daca ma puteti ajuta
Multumesc​

Answer 1

a)-2x+7=5-4x
-2x+4x=5-7
2x=-2\:2
X=-1

b)|1-2x|=5
1-2x=5\-1
2x=4\:2
X=2

c)x+4/3=x-5/2
2(x+4)=3(x-5)
2x+4=3x-15
2x-3x=-15-4
-1x=-19\•(-1)
1x=19/:1
X=19

Sper că te-am ajutat !