Question

d)2(X×7)=8

e)3(X-5)-2X=8

f)6(3X+2)=3X-3

g)7(X-2)=5(X+3)

h)2(X-5)=X+12

i)3(2X-1)=2(X+3)

j)7(X-1)=3(2X+5)

*Me ajudem pfv para amanha*​
1°Grau incógnita

Answer 1

d)2x+14=8; 2x= -6; x = -3

e) )3x - 15 - 2x =8; x = 23

f) 18x + 12 = 3x - 3; 15x = -15; x = - 1

g)7x - 14 = 5x + 15; 2x = 29; x = 29/2 h) 2x - 10 = x + 12; x = 22 i) 6x - 3 =2x +6; 4x = 9; x = 9/4 j) 7x - 7=6x + 15; x = 22

Answer 2

Explicação passo-a-passo:

d)2(x+7)=8

2x+14=8

2x=8-14

2x=-6

x= -6/2

x=-3

e)3(x-5)-2x=8

3x-15-2x=8

3x-2x=8+15

x=23

f)6(3x+2)=3x-3

18x+12=3x-3

18x-3x= -3-12

15x=-15

x=-15/15

x=-1

g)7(x-2)=5(x+3)

7x-14=5x+15

7x-5x=15+14

2x=29

x=29/2

h)2(x-5)=x+12

2x-10=x+12

2x-x=12+10

x=22

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

3x-15=2x+6

3x-2x=6+15

x=21

j)7(x-1)=3(2x+3)

7x-7=6x+9

7x-6x=9+7

x=17

espero ter ajudado....♡