MatemáticasBásico1 respuestas

Ecuaciones 1) 3(x + 2) - 5(4 - 7x = 8 2) 5x + 3(x - 1) = 4(x - 2) 3) 4x + 9 = 2x - 3 + x 4) 4(x + 3) = 9x + 7?

Ecuaciones 1) 3(x + 2) - 5(4 - 7x = 8 2) 5x + 3(x - 1) = 4(x - 2) 3) 4x + 9 = 2x - 3 + x 4) 4(x + 3) = 9x + 7.

Calculadora interactiva

ax² + bx + c = 0

En resumen

1) 3x + 6 - 20 - 35x = 8 6 - 20 - 8 = - 3x + 35x - 22 / 32 = x - 11 / 16 = x 2) 5x + 3x + 1 = 4x - 2 5x + 3x - 4x = - 1 - 2 4x = - 3 x = - 3 / 4 3) 4x - 2x - x = - 3 - 9 x = - 12 4) 4x + 12 = 9x + 7 12 - 7 = 9x - 4x 5 = 5x 5 / 5 = x 1 = x.

Mejor respuesta

Vale1676
3

1) 3x + 6 - 20 - 35x = 8 6 - 20 - 8 = - 3x + 35x - 22 / 32 = x - 11 / 16 = x

2) 5x + 3x + 1 = 4x - 2 5x + 3x - 4x = - 1 - 2 4x = - 3 x = - 3 / 4

3) 4x - 2x - x = - 3 - 9 x = - 12

4) 4x + 12 = 9x + 7 12 - 7 = 9x - 4x 5 = 5x 5 / 5 = x 1 = x.