Question

encontre o valor de x

a) x +5=10
b) x-2=4
c) 2x +3= -6
d) -3x -5 =10
e) -5x +3 = +x -15​

Answer 1

Resposta:

a) 5

b) 6

c) -9/2

d) -5

e) 3

Explicação passo-a-passo:

a) x +5=10

x= 10-5

x=5

b) x-2=4

x=4+2

x=6

c) 2x +3= -6

2x=-6-3

2x=-9

x=-9/2

d) -3x -5 =10

-3x=10+5

-3x=15

x= 15/-3

x=-5

e) -5x +3 = +x -15

-5x -x= -15 -3

-6x=-18

x= -18/-6

x=3

Answer 2

Resposta:

A)X+5=10

X+5=10

X=-5+10

X=5

B)X-2=4

X-2+2=4+2

X=6

C)2x+3=-6

2x+3-3=6-2

X= -9/2

D)-3X-5=10

-3X-5+5=10+5

X= -5

E)-5X+3=+X-15

-5X+3=X-15

-5X+3-3=X-15-3

X=3