Question

Encontrar el valor de x en cada caso.
a) -5x = 20
b) (-3)(-4) = x
c) X + 15 = 7
d) 6X - 9 = 51

3cbb43cd8f8a7ea69d1155854c3cb449.pdf

Answer 1

Explicación paso a paso:

a) - 5X = 20

X = -4

b) (-3)(-4) =X

X=12

c) X+15 = 7

X=7-15

X= -8

d) 6X - 9 = 51

6X = 51+9

6X = 60

X= 10