Răspuns :
a)3-5x=-7
-5x=-7-3
-5x=-10 |x(-1)
5x=10
x=10:5
x=2
b)-10x+4=-96
-10x=-96-4
-10x=-100 |x(-1)
10x=100
x=100:10
x=10
-5x=-7-3
-5x=-10 |x(-1)
5x=10
x=10:5
x=2
b)-10x+4=-96
-10x=-96-4
-10x=-100 |x(-1)
10x=100
x=100:10
x=10