Question

Resolva:
a)5(x+1)=-15
b)6x-4=2x+2
c)3x-7=2x+1
d)3x-2=5x+4
e)5x-3=2x+1

Answer 1

Resposta:

A) 6x = 2x + 16 6x - 2x = 16 4x = 16 x = 16/4 x = 4

B) 2x-5=x+1 2x - x = 1 + 5 x = 6

c) x = 1,8. 3x – 2y = 6. 3 ⋅ (1,8) – 2y = 6. –2y = 6 – 5,4. –2y = 0,6 y = –0,3

d)4x – 6x + 3 = 1. –2x = –2 x = 1

e) x = 5 – 3y. 2x – y = –4.

Explicação passo-a-passo:

Espero ter ajudado. ;)

Answer 2

Explicação passo-a-passo:

5(x+1)=-15

5x+5=-15

5x=-15-5

5x=-20

X=-20/5

X=-4

6x-4=2x+2

6x-2x=2+4

4x=6

X=6/4(÷2)

X=2/3

3x-7=2x+1

3x-2x=1+7

X=8

3x-2=5x+4

3x-5x=4+2

-2x=6

X=-6/2

X=-3

5x-3=2x+1

5x-2x=1+3

3x=4

X=4/3