Question

GENTE SOCORRO

equaçao do 1 grau

a) 3-4 (x-5)= 3. (-x+1) - 10

Answer 1

3-4 (x-5)= 3. (-x+1) - 10

3 - 4x + 20  = - 3x + 3 - 10

-4x + 23 = - 3x -7

- 4 x + 3 x = -7 - 23

- x = - 30 *(-1)

x = 30