2(x+1)-3(2x-5)=6x-3
2x+3(x-5)=4x+9 20-80+2x=10 19+2x-13=10-20 10x-12+10=18-20
Soluções para a tarefa
Respondido por
1
2(x+1)-3(2x-5)=6x-3
2x+2-6x+15=6x-3
2x-6x-6x=-3-2-15
-10x=-20
x=2
-------------------------------
2x+3(x-5)=4x+9
2x+3x-15=4x+9
2x+3x-4x=9+15
x=24
---------------------------------
20-80+2x=10
2x=10+80-20
2x=70
x=35
---------------------------------
19+2x-13=10-20
2x=10-20+13-19
2x=-16
x=-8
---------------------------------
10x-12+10=18-20
10x=18-20+12-10
10x=0
x=0
2x+2-6x+15=6x-3
2x-6x-6x=-3-2-15
-10x=-20
x=2
-------------------------------
2x+3(x-5)=4x+9
2x+3x-15=4x+9
2x+3x-4x=9+15
x=24
---------------------------------
20-80+2x=10
2x=10+80-20
2x=70
x=35
---------------------------------
19+2x-13=10-20
2x=10-20+13-19
2x=-16
x=-8
---------------------------------
10x-12+10=18-20
10x=18-20+12-10
10x=0
x=0
Respondido por
0
2 (x + 1) - 3 (2x - 5) = 6x - 3
2x + 2 - 6x + 15 = 6x - 3
2x - 6x - 6x = - 3 - 2 - 15
- 10x = - 20
x = - 20 ÷ (- 10)
2x + 3 (x - 5) = 4x + 9
2x + 3x - 15 = 4x + 9
2x + 3x - 4x = 9 + 15
20 - 80 + 2x = 10
2x = 10 - 20 + 80
2x = 70
x = 70 ÷ 2
19 + 2x - 13 = 10 - 20
2x = 10 - 20 - 19 + 13
2x = - 16
x = - 16 ÷ 2
10x - 12 + 10 = 18 - 20
10x = 18 - 20 + 12 - 10
10x = 0
x = 0 ÷ 10
2x + 2 - 6x + 15 = 6x - 3
2x - 6x - 6x = - 3 - 2 - 15
- 10x = - 20
x = - 20 ÷ (- 10)
2x + 3 (x - 5) = 4x + 9
2x + 3x - 15 = 4x + 9
2x + 3x - 4x = 9 + 15
20 - 80 + 2x = 10
2x = 10 - 20 + 80
2x = 70
x = 70 ÷ 2
19 + 2x - 13 = 10 - 20
2x = 10 - 20 - 19 + 13
2x = - 16
x = - 16 ÷ 2
10x - 12 + 10 = 18 - 20
10x = 18 - 20 + 12 - 10
10x = 0
x = 0 ÷ 10
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