Question

(X - 5)/10 + (1 - 2x)/5 = (3-X)/4


4x (x + 6) - x? = 5x

Answer 1

Explicação passo-a-passo:

4x+ 24-x=5x

2x-4x-x=-24

-2x-x=-24

-x=-24

x=24

Answer 2

Resposta:

1) x = -21/2

2)Xi = -9/2

Xii = 0

Explicação passo-a-passo:

1) MMC 10,5,4 -->

2 * 2 * 5 = 20 -->

(2x - 10 + 4 - 8x = 15 - 4x) / 20 -->

-2x=21 --> x = -21/2

2) 4x² + 24x - x - 5x = 0 -->

4x² + 18x = 0 -->

2x ( 2x + 9 ) = 0 -->

x = 9/2 -->

Xi = 0, Xii = 9/2