Question

-x+3=-2x+1

-5b+7-10=-3b+13-12

0=-x+3-2x+5

-5x+3-2x+1=0

-1-3x-7x+4-2=0

-x+1=2x-3

-2x+3=-1+x+2

2x-3=x+5

*Me ajudem, por favor*

PS: Se possivel a conta com os calculos, obrigada ^^

Answer 1

-x+3=-2x+1
-x=1-3
-x=-2
x= -2/-1
x=2

-5b+7-10=-3b+13-12
-2b= -2
b= -2/-2
b=1

0=-x+3-2x+5
3x= 8
x= 8/3
x= 2.6666666