Question

a)3x -7=2x +5

b) 7x + 8= 4x -10

c) 7x -4- x = -2x + 8- 3x

d) 7 (x _ 5 )= 3 (x + 1)

e) 3(x_2 = 4 (- × + 3)

f) 2 (x + 1) - (x - 1) = 0

me ajudem por favor ​

Answer 1

A) 3x -/= 2x+5

3x-2x= 5+7 Resposta final: x=12

1x= 12

B) 7x+8 = -4x-10 7x+4x = -10-8 Resposta final: X=- 1,63

11x = -18

X=18/11

C) 4x-15 -2x+3 = 4x+2x = 3+15

6x = 18

X= 18/6 Resposta final: X=3

D) 2x-4-8 = 4x 2x-4x = 4+8 X = 12/-2

-2x = 12

Resposta final: X= -6

E) 3x = x+1+7 3x-x = 1+7

F) 360+36x = 30x 36x-30x = -360

6x = -360

X = -360/6 Resposta final: X= -60