Question

X+7=2x+8

3x+18=x+10

7x-1=48

X+7=11

18x+10-3x=-30+5x

Me responde essas pf pf

Answer 1

X+7=2x+8
x-2x=8-7
-x=-1

3x+18=x+10
3x-x=10-18
2x= -8
x= -8/2
x= -4


7x-1=48
7x= 48+1
7x= 49.
x= 49/7
x= 7

X+7=11
x=11-7
x=4

18x+10-3x=-30+5x
18x-3x-5x= -30-10
15x-5x= -40
10x= -40
x= -40/10
x= -4