Question

Ajude

a) 8 + x = -5

b) -6 + x = 2

c) x - 5 = -7 + (-4 )

d) 4 . x + 1 = x - 8

e) 4. x = x - (-12)

f) - 4 + 5 . x = x + 20

se puder ajudar ai

Answer 1

a) 8+×=-5

x=-5-8

x=-13

b) -6+×=2

x=2+6

x= 7

c) x-5=-7+(-4)

x=-7-4+5

x=-11+5

x=-6

d) 4x+1=x-8

4x-x=-8-1

-3x=7

-x=7/3

e) 4x=x-(- 12)

4x=x+12

4x-x=12

3x=12

x=12/3

x=4

f)-4+5x=x+20

5×-×=+20+4

4×=24

×=24/4

×=6