G,h,i,j,k,l va rogg euuu multttt 30 de puncte plus inima plus coroana

g)15-x=x+5
-x-x=5-15
-2x=-10
x=5

h)8x-3=6x+21
8x-6x=21+3
2x=24
x=12

i)6x+10=2x+50
6x-2x=50-10
4x=40
x=10

j)13x-7=31-6x
13x+6x=31+7
19x=38
x=2

k)12-2x=5x-16
-2x-5x=-16-12
-7x=-28
x=4

l) 8-x=3x+2
-x-3x=2-8
-4x=-6
x=6/4
x=3/2

g) 15 - x = x + 5
15 - 5 = x + x
10 = 2x
10/2 = x
5 = x
h) 8x - 3 = 6x + 21
8x - 6x = 3 + 21
2x = 24
x = 24/2
x = 12
i) 6x + 10 = 2x + 50
6x - 2x = -10 + 50
4x = 40
x = 40/4
x = 10
j) 13x - 7 = 31 - 6x
13x + 6x = 31 + 7
19x = 38
x = 38/19
x = 2
k) 12 - 2x = 5x - 16
12 + 16 = 5x + 2x
28 = 7x
28/7 = x
4 = x
l) 8 - x = 3x + 2
8 - 2 = 3x + x
6 = 4x
6/4 = x
3/2 = x
1.5 = x