Question

Gnte ajudaaa agora quero as respostas corretas!!!
A)5x-40=2-x
B)20+6x=-2x+26
C)13y-5=11+9y
D)4x-1=3(x-1)
AJUDA!!!

Answer 1

a) 5x+x=2+40
6x=42
x=42/6
x=7

c) 13y-5=11+9y
13y-9y=11+5
4y=16
y=16/4
y=4

b) 20+6x=-2x+26
6x+2x=26-20
8x=6
x=6/8
×=3/4

d)4x-1=3 (x-1)
4x-1=3x-3
4x-3x=-3+1
x=-2

Answer 2

Resposta:

x=7

y=4

×=3/4

x=-2

Passo a passo:

a) 5x+x=2+40

6x=42

x=42/6

x=7

c) 13y-5=11+9y

13y-9y=11+5

4y=16

y=16/4

y=4

b) 20+6x=-2x+26

6x+2x=26-20

8x=6

x=6/8

×=3/4

d)4x-1=3 (x-1)

4x-1=3x-3

4x-3x=-3+1

x=-2