Question

x-27= 5
x=

5,00 + o dobro de dinheiro que tenho fico com 27,00 quanto tenho ?


2x+5-x+8=0
x=

4.(x-1)=3x
x=

5x-2(x+20)=2(3+x)
x=

3x+2=10
x=

5x-2(x+3)=9(x-6)
x=

2(x-1)+3(x+4)=4(2+x)
x=

Answer 1

x-27=5
x=5+27
x=32
5+2x=27
2x=27-5
2x=22
x=22/2
x=R$11,00
2x+5-x+8=0
2x-x=-8-5
x=-13
4.(x-1)=3x
4x-4=3x
4x-3x=4
x=4
5x-2.(x+20)=2.(3+x)
5x-2x-40=6+2x
5x-2x-2x=6+40
5x-4x=46
x=46
3x+2=10
3x=10-2
3x=8
x=8/3
5x-2.(x+3)=9.(x-6)
5x-2x-6=9x-54
5x-2x-9x=-54+6
5x-11x=-48
-6x=-48.(-1)
6x=48
x=48/6
x=8
2.(x-1)+3.(x+4)=4.(2+x)
2x-2+3x+12=8+4x
2x+3x-4x=8-12+2
5x-4x=-4+2
x=-2