Question

Rezolvați in Z ecuațiile :
A) 2x + 1 = 7
B) 3x-5=10
C) -4x+1=9
D) 4x-1=0
E) -x+3=3
F) -3+x=8

Dau coroana

Answer 1

2x+1=7, 2x=6, x=3

3x-5=10, 3x=15, x=5

-4x+1=9, -4x=8, x=-2

4x-1=0, 4x=1, x=0.25

-x+3=3, -x=0, x=0

-3+x=8, x=8+3, x=11