Question

1) 6x=2x+16
2) 2x-5=x+1
3)2x+3=x+4
4) 5x+7=4x+10
5) 4x-10=2x+2
6) 4x-7=8x-2
7) 5x-3+x=2x+9
8) x+x-4=17-2x+1
9) 5x+6x-16=3x+2x-4
10) 6x+4=3x+4
mostrar a conta pff

Answer 1

Vamos à resolução dos itens acima:

1)

6x=2x+16 <=>

6x-2x=16 <=>

4x=16 <=>

x=16/4 <=>

x=4

S={4}

2)

2x-5=x+1 <=>

2x-x=1+5 <=>

x=6

S={6}

3)

2x+3=x+4 <=>

2x-x=4-3 <=>

x=1

S={1}

4)

5x+7=4x+10 <=>

5x-4x=10-7 <=>

x=3

S={3}

5)

4x-10=2x+2 <=>

4x-2x=2+10 <=>

2x=12 <=>

x=12/2 <=>

x=6

S={6}

6)

4x-7=8x-2 <=>

4x-8x=-2+7 <=>

-4x=5 <=>

x=5/(-4)

S={5/(-4)}

7)

5x-3+x=2x+9 <=>

6x-3=2x+9 <=>

6x-2x=9+3 <=>

4x=12 <=>

x=12/4 <=>

x=3

S={3}

8)

x+x-4=17-2x+1 <=>

2x-4=18-2x <=>

2x+2x=18+4 <=>

4x=22

x=22/4=11/2

S={22/4=11/2}

9)

5x+6x-16=3x+2x-4 <=>

11x-16=5x-4 <=>

11x-5x=-4+16 <=>

6x=12 <=>

x=12/6 <=>

x=2

S={2}

10)

6x+4=3x+4 <=>

6x=3x <=>

6x-3x=0 <=>

3x=0 <=>

x=0

S={0}

Abraçoss!!