Question

Rezolvati in R ecuatiile: Va rog mult ma ajutati?
A)2× -3=× +1
b)4-3× =× +3
c)5×-1=-2×+6
d)4(× -2)=3× +7
e) 5× -2=3(× +4)
f) 2(× +3)=3(× +2)

Answer 1

a) 2x-x=1+3
x=4
b) -3x-x=3-4
-4x=-1
-x=-1/4
x=1/4
c) 5x+2x=6+1
7x=7
x=1
d) 4x-8=3x+7
4x-3x=7+8
x=15
e) 5x-2=3x+12
5x-3x=12+2
2x=14
x=7
f) 2x+6=3x+6
2x-3x=6-6
-x=0
x=0

Answer 2

Ai rezolvarea in imagine.