Question

me ayudan porfavor es para el lunes y solo me falta esto :)

Answer 1

Explicación paso a paso:

a - 7(x -5) -x = 3

7× -35 - × = 3

7x -× = 3 + 35

6×= 38

× = 38 ÷ 6

×= 6, 3

b- -3( 2× -5) -5× = 3x

6x - 15 -5× = 3x

6× - 5× -3× = 15

6× -8× = 15

-2x = 15

x= 15 ÷ 2

× = - 7.5

c- 7 (× -2) -6× +1 = 3 -4×

7× -14 - 6x + 1 = 3 -4×

7× -6x + 4x = 14 -1 +3

5 x = 16

x = 16 ÷ 5