Question

1) Encontre o valor de x.
a) 2x-3 = -x + 6
b) 4x + 7 = -x + 62
c) 6X - 8 = 2x + 24
d) 9x - 40 = x - 168
e) 5x + 90 = - X-30

Answer 1

Explicação passo-a-passo:

1) x - 3 =9 x= 9+3 x=12

2)4x - 9 = 1-2x 4x +2x =1 +9 6x=10

o resto n consegui

Answer 2

a) 2x-3 = -x + 6

2x + x = 6 + 3

3x = 9

x = 9/3

x = 3

b) 4x + 7 = -x + 62

4x + x = 62 - 7

5x = 55

x = 55/5

x = 11

c) 6X - 8 = 2x + 24

6x - 2x = 24 + 8

4x = 32

x = 32/4

x = 8

d) 9x - 40 = x - 168

9x - x = -168 + 40

8x = -128

x = -128/8

x = -16

e) 5x + 90 = - X-30

5x + x = -30 - 90

6x = -120

x = -120/6

x = -20

atte Colossoblack